Mathematics by Age Restriction

Age Restriction

This page contains a set of links to mathematical exercises. They are ordered by age restriction. For each age, there are corresponding exercises grouped into separate categories. Expand the lists and see the proposed options for mathematical examples.

Recommended for children from five years old

Integer Examples

Beginner 1.1 ip

1+4=5

Beginner 2.1 ip

9-1=8

Beginner 3.1 ip

4+3=7

Step-by-step Tasks

3+1=4

1+3=4

1+4=5

3+0=3

9+1=10

3-1=2

2-1=1

7-4=3

1-1=0

8-2=6

6-3=3

Recommended for children from six years

Integer Examples

6+12=18

10-4=6

16-4=12

10-1-2=7

Step-by-step Tasks

8+2=10

3+2=5

3+6=9

4+5=9

0-0=0

5+7=12

7+5=12

0+6=6

4+5=9

3+7=10

8+7=15

3+6=9

4+8=12

5+9=14

5-4=1

6+10=16

6+8=14

8-4=4

8-5=3

10-2=8

11-1=10

15-4=11

10-6=4

15-7=8

10-5=5

16-8=8

10-8=2

16-9=7

15-10=5

14-10=4

Recommended for children from seven years

Integer Examples

3+(6+1)=10

35+62=97

64-64=0

64+29=93

2+0+9=11

10-(3+6)=1

Step-by-step Tasks

10+8=18

3+2=5

3+13=16

14+2=16

13+7=20

0+14=14

5+5=10

12+17=29

2+25=27

6+11=17

7+0=7

9-6=3

5-1=4

13-2=11

23-13=10

19-14=5

7-5=2

7-6=1

27-7=20

16-6=10

9×1=9

2×6=12

2×7=14

7÷1=7

Comparisons

Natural 1.1 ip

6 > 5

Natural 2.1 ip

10-0 > 2+2

Language Exercises

Russian Vocabulary 1.1

мес ц

Recommended for children from eight years

Integer Examples

11+(8-6)=13

233+69=302

779-1=778

31+29=60

96-6-20=70

19+(9-8)=20

27×2=54

70÷5=14

10×9=90

32+51=83

99-89=10

10+76=86

Step-by-step Tasks

24+6=30

28+2=30

8+3=11

2+9=11

80+0=80

10+25=35

1+2+4=7

9-8=1

20-17=3

12-9=3

6-5=1

29-9=20

70-40=30

6×3=18

1×2=2

6×4=24

4×7=28

5×8=40

3×3=9

5×10=50

6×6=36

4×1=4

3×7=21

6×3=18

5×4=20

10×8=80

3×7=21

4×9=36

9×9=81

10×5=50

1×10=10

14÷2=7

6÷2=3

12÷3=4

8÷2=4

0÷4=0

8÷1=8

0÷5=0

18÷2=9

10÷1=10

48÷6=8

30÷5=6

56÷7=8

32÷4=8

15÷3=5

32÷8=4

0÷3=0

36÷9=4

15÷5=3

80÷2=40

80÷10=8

Comparisons

4 > 2

96 > 92

70-30 < 87-30

2×2 < 6×1

Equations

Linear 1.1 ip

x+6=8

Linear 2.1 ip

x×10=10

Language Exercises

Russian Vocabulary 1.2

ул ца

Russian Vocabulary 2.1

чу ть

Russian Vocabulary 3.1

восем

English Vocabulary 1.1

d ty

English Vocabulary 2.1

Lexicon 1.1

b x [case]

Lexicon 2.1

j mp [leap]

Recommended for children from nine years

Integer Examples

27+1=28

220+448-18=650

79+(18+3)=100

35×2=70

8×25=200

12÷6=2

406÷2=203

4×4×4=64

5×(10×2)=100

9×(6÷3)×2=36

11÷5=2(1)

6800+743=7543

7000-6446=554

5643-4996=647

48×4=192

84÷6=14

46×3-90=48

16+22÷11×4=24

90÷9=10

41÷5=8(1)

Step-by-step Tasks

14×2=28

11×8=88

14×3=42

15×3=45

19×4=76

12×5=60

4×9=36

12×2=24

4×25=100

11×6=66

13×7=91

6×15=90

8×16=128

3×6=18

11×9=99

15×7=105

7×15=105

20×2=40

6×12=72

10÷2=5

22÷11=2

51÷3=17

30÷3=10

32÷4=8

85÷5=17

24÷2=12

64÷4=16

90÷30=3

114÷6=19

49÷7=7

4÷4=1

72÷8=9

60÷10=6

9÷9=1

98÷7=14

260÷20=13

72÷8=9

55÷11=5

Comparisons

80÷10 < 90÷10

852 > 850

400+529 > 860-406

12×7 < 2×43

Equations

Linear 1.2 ip

1+x=1

Linear 2.2 ip

x÷8=1

Linear 3.1 ip

9-x÷2=7

Language Exercises

Russian Vocabulary 1.3

инт рес

Russian Vocabulary 2.2

кла с

Russian Vocabulary 3.2

б лет

English Vocabulary 3.1

doo

10+

Recommended for children from ten years

Integer Examples

764-108=656

56900+28668=85568

411302-366137=45165

990053-95965=894088

343+(116+200)=659

11×13=143

20×8=160

8435÷35=241

52×81=4212

18×9×2=324

(120÷2)÷3=20

288÷(18÷3)÷6=8

60÷5=12

120000+793277=913277

503251-320000=183251

314000+235759=549759

7298×9=65682

5749×42=241458

106÷2=53

48×2-44÷4=85

379+48×4=571

336÷24+576÷36=30

20+(24-23)×10=30

532÷2=266

48÷16=3

Comparisons

Natural 0.3 ip

930 > 919

Natural 1.4 ip

201882 < 931350

Natural 2.4 ip

197706+623216 > 847798-321054

Natural 3.3 ip

3×10 < 9×6

Equations

x+3=4

793+x=893

x÷2=402

49-x÷5=45

3×(9-x)=9

Rounding

Round 1.1 ip

737≈74

Round 1.2 ip

7081≈71

Round 2.1 ip

3+494≈50

Language Exercises

Russian Vocabulary 2.3

микр фон

English Vocabulary 1.2

m ybe

English Vocabulary 2.2

cl ud

Lexicon 1.2

u ban [municipal]

Lexicon 2.2

e ch [both]

Infinitive 1.1

sand-cast sandcast [sand-cast]

11+

Recommended for children from the age of eleven

Integer Examples

Beginner 0.5 ip

689169+235946=925115

Beginner 4.5 ip

170000+63167+23111=256278

Beginner 5.5 ip

821768-(742824-556000)=634944

0-8=-8

880000-442636=437364

5+9-4=10

30×86=2580

1440÷12×63=7560

9044÷(2×2)=2261

4×3×(23×11)=3036

430÷31=13(27)

11125×800=8900000

3162÷17=186

930-120÷15+18=940

(1200-780)×(256-247)=3780

Numeracy 1.3 ip

142×33-100=4586

Numeracy 2.3 ip

584×95-1280÷128=55470

Numeracy 3.2 ip

220-912÷(2+74)=208

Numeracy 3.3 ip

676-69÷(3212-3143)=675

Divisor_ENG 1.3 ip

9360÷45=208

Remainder_ENG 1.3 ip

300÷78=3(66)

Decimal Examples

3+(9-8.5)=3.5

52.3+57.1-18.4=91

5-4.7=0.3

79+7.9=86.9

5.1+6.2-7.3=4

59.3-57.6+96.1=97.8

9.3-(8+0.9)=0.4

67-(60-44)=51

27.6÷1.5=18.4

3.5×2.2=7.7

7.2÷1.8=4

38.4÷4=9.6

Divisional_ENG 1.1 dp

96.9÷8.5=11.4

Fraction Examples

Numerator 1.1 fp

9/10-3/10=3/5

Comparisons

Natural 0.4 ip

18469+181531 > 15000+34092

114×7 > 3×4

-2-0 > -2-3

5 < 10

1+1 > -1-9

-2×(-4) > 2×(-2)

91 > 12.2

10.3+85.5 > 71.2-13.2

Improper 1.1 fp

1/10 < 2/3

Improper 1.2 fp

97/11 > 7/4

Improper 2.1 fp

3/5+1/5 = 3/10+1/2

Equations

x×15=60

900÷x+215=245

96-x÷2=43

13×(84-x)=52

(x+4)×40=960

x-10=-4

-4÷x=2

Rounding

86.6≈87

48.8+1.1≈50

111+141≈25

9002≈90

959576÷472≈2

240839≈241

30+73≈1

999997-486≈1000

975÷15≈7

1117×5≈56

71678×13≈932

Language Exercises

Russian Vocabulary 1.4

иде логия

Russian Vocabulary 3.3

дир жёр

English Vocabulary 1.3

loo ely

English Vocabulary 2.3

nless

English Vocabulary 3.2

ncome

Lexicon 1.3

fo rteenth [count]

Infinitive 2.1

misteach [misteach]

12+

Recommended for children from the age of twelve

Integer Examples

-3-8+10=-1

10+(-20+1)=-9

-48-(-43-79)=74

9-2=7

-74+42=-32

5-4+9=10

28+70-92=6

-3-(9-2)=-10

19+(-5+6)=20

-7-(38+22)=-67

(10+2)+(6-8)=10

-(9-19)-(11+5)=-6

-(100-100)-(49-19)=-30

1000×768=768000

738×345=254610

53760÷1792=30

756588÷14=54042

583200÷72÷4=2025

720÷(4×2)=90

192500÷(100÷2)÷110=35

5470×2657=14533790

7500÷25=300

-70-20÷(2+2)=-75

-96÷6-40=-56

30-100÷5÷10=28

-18-92÷(43-41)=-64

-64÷(2×(-2))÷(-4)=-4

-66÷(-6)=11

-80÷4÷(-2)=10

(-40÷2)÷2=-10

80÷2÷(-2×2)=-10

43243÷83=521

Decimal Examples

Partitive 0.3 dp

94.08-(75.71-69.07)=87.44

Partitive 1.3 dp

47.47-7.76=39.71

Partitive 2.3 dp

32+27.54-23.4=36.14

Partitive 3.3 dp

84.01-(77.52-25.51)=32

4.7+(-1-1.1)=2.6

34.4-9.9-77=-52.5

2-9.2=-7.2

-79.3+7.8=-71.5

-1-1-4.8=-6.8

-98.1+66.3-48.6=-80.4

-8+(-7.7+5.7)=-10

3.7-(-89.9-5)=98.6

27÷5=5.4

30.24÷1.12=27

5×2.3=11.5

0.6×0.5=0.3

28.44÷0.79=36

0.9×4.8=4.32

93.6÷19.5÷16=0.3

(10.3÷20.6)×13.6=6.8

5.2÷0.8+5.2÷52=6.6

16.4-35.2÷8=12

21+28.5÷3+14.3=44.8

94.7-62.4÷(0.5+0.7)=42.7

Negatory 1.1 dn

-32÷12.8+66=63.5

Negatory 2.1 dn

-46+14.4÷2-59.4=-98.2

Residual_ENG 1.1 dp

57÷10=5.7

Divisional_ENG 1.2 dp

0.9÷1.2=0.75

Fraction Examples

Numerator 0.1 fp

1/2+(1/6+1/9)=7/9

Numerator 0.2 fp

183/19-(2/3+25/3)=12/19

Numerator 1.2 fp

1/18+1/9=1/6

Numerator 2.1 fp

7/9-1/9-4/9=2/9

Numerator 2.2 fp

154/85+121/85+77/34=11/2

Numerator 3.1 fp

4/9-(1/6+1/6)=1/9

Numerator 3.2 fp

1/7+(4/21+397/51)=138/17

-1/5+1/3-4/5=-2/3

2/3+1/3=1/1

2/9-2/9-1/3=-1/3

-2/5-(1/10+3/10)=-4/5

1/3÷2/5=5/6

32/25×95/16=38/5

15/2×4/5×2/9=4/3

56/8=7/1

176/4=44/1

2/3×7/6+32/9=13/3

Comparisons

100 > -74

-6 < 55

42 > -21

-892 < -756

91-2 > -9-5

-872+812 > -336-83

66÷(-6) > 25×(-4)

-640÷(-16) < 666÷2

36 > 25.4

35.52÷2.96 = 12.96÷1.08

79.92 > 79.9

73.296 = 73.296

811.262 > 811.242

70.62-25.85 = 26.99+17.78

Point 2.3 dp

44.524+26.476 < 98.418-17.608

20.3÷2.9 < 94.5÷5

85÷17 < 90.09÷6.93

7.4-47.6 < 91-26.4

58.53-7.3 > -81.46+100

27 > -32.8

-35.62 < -35.59

59+13.2 > -56+77

31.05+17.91 > 46.26-35.06

86.1÷(-7) < 2×(-2.6)

-1.05×8.8 > -2×4.63

5/9 < 3/5

13/15×5/13 < 9/10÷6/5

Improper 1.3 fp

59420/633 < 664/7

Improper 2.2 fp

163/29-97/29 < 181/19-126/95

Improper 2.3 fp

3041/68-3019/68 < 3255/289+26215/578

Improper 3.1 fp

2/5÷1/2 > 1/3÷5/6

Improper 3.2 fp

30/11×47/14 > 304/33÷64/63

Descent 1.1 fn

-4/7 < -1/2

Descent 1.2 fn

-373/73 < 5/1

Descent 2.1 fn

-1/2+1/1 > 2/3-1/3

Equations

-1+x÷7=-1

19×(x+53)=-76

-1+x=49

770+x=130

x÷61=-1

-x×61=-610

1-x÷5=0

2+x÷2=-43

-2×(x-7)=6

20×(78+x)=0

Rounding

4.5≈5

21.52≈21.5

20.27≈20.3

11.882≈11.88

75.02-32.53≈42.5

15.449+57.622≈73.07

54.1×1.2≈65

100÷2≈50

Language Exercises

Russian Vocabulary 2.4

инц дент

English Vocabulary 3.3

apolo ize

Lexicon 2.3

fa rly [quite]

Infinitive 1.2

let let [let]

Infinitive 3.1

tread [tread]

13+

Recommended for adolescents from the age of thirteen

Integer Examples

-938+(643-435)=-730

629575-632768=-3193

662-617=45

0-413-496=-909

733000+140786-493786=380000

Conversant 3.4 in

123-(622+185)=-684

Conversant 3.5 in

80712-(610000+352355)=-881643

Conversant 4.4 in

-(640-803)-(938-400)=-375

Conversant 4.5 in

(228929-350682)+(340000+432050)=650297

125000÷125=1000

(730-880)÷(-6-9)=10

760÷40-470=-451

-319+377×3-572=240

317-(7+23)×25=-433

608÷(-2)÷(-56÷(-28))=-152

-10×(-20)=200

-10÷5×405=-810

-4×(5×5)=-100

5×(-2)×(5×7)=-350

6106903÷473=12911

Decimal Examples

Partitive 0.4 dp

599.447-549.447=50

Partitive 1.4 dp

47+553=600

Partitive 2.4 dp

540.918-322.772+781.854=1000

Partitive 3.4 dp

507.389-(334.147+116.782)=56.46

Split 0.3 dn

63.09+23.56=86.65

Split 0.4 dn

-544.409+274.409=-270

Split 1.3 dn

67.28+22.69=89.97

Split 1.4 dn

-10.495-147.571=-158.066

Split 2.3 dn

84.22-90-39.26=-45.04

Split 2.4 dn

401.855+140.627-592.507=-50.025

Split 3.3 dn

62.85+(-56.6+55.19)=61.44

Split 3.4 dn

-572.502-(-160.053+0)=-412.449

74÷8=9.25

0.013÷0.04=0.325

2.7÷15=0.18

70.56÷49=1.44

1.375×17.92=24.64

1.125÷3=0.375

3.432÷1.716=2

2.48×1.25×20=62

18×2.8×0.115=5.796

(7.8÷2.5)÷15.6=0.2

(28.586÷14.293)×0.007=0.014

2.16×45-15.01=82.19

90.37-12.5×1.6=70.37

9.63-1.875×0.336=9

85.2+8.4÷30÷28=85.21

34.864+3.375×1.6-21.098=19.166

Definition 3.2 dp

3×(3.72+3.55)÷3=7.27

Negatory 0.1 dn

-47.7+(34-43)÷1.2=-55.2

Negatory 0.2 dn

0.64×(69-74)×0.25=-0.8

Negatory 1.2 dn

95.29-2.24×28=32.57

Negatory 1.3 dn

77-43.2÷3=62.6

Negatory 2.2 dn

-0.7×10.2+10×0.01=-7.04

Negatory 2.3 dn

63.385-0.6×0.015+34.894=98.27

Negatory 3.1 dn

(1.7+85)÷(-0.5-25)=-3.4

Negatory 3.2 dn

18-(-4.63-11.37)×0.3=22.8

Residual_ENG 1.2 dp

5÷50=0.1

Divisional_ENG 1.3 dp

1.32÷33=0.04

Fraction Examples

Numerator 0.3 fp

67481/693-(97/2-883/126)=4303/77

Numerator 1.3 fp

230/3-28960/537=4070/179

Numerator 2.3 fp

262/3-24578/555-749/185=39/1

Numerator 3.3 fp

707/13+(528/13-5/16)=1515/16

Denominator 0.2 fn

-58/9+4/9=-6/1

Denominator 1.2 fn

-657/74+637/74=-10/37

Denominator 1.3 fn

-134/19-22200/247=-23942/247

Denominator 2.2 fn

1/2-788/95+17/2=67/95

Denominator 3.2 fn

-319/81+(9/17+25/17)=-157/81

2/3×1/4=1/6

3/11÷1/3=9/11

175/4×28/25=49/1

33/2×9/11÷9/4=6/1

860/87÷344/27×4454/45=2227/29

10/3×(3/2÷5/2)=2/1

(35/4÷7/5)÷25/3=3/4

507/651=169/217

10/3-26/3÷13/4=2/3

55/12+12/17÷36/85=25/4

(11/5-7/5)×25/4=5/1

-4/5-1/2×32/5=-4/1

-1/2×4/3-22/3=-8/1

-286/9÷550/21+4/5=-31/75

Complete 2.1 fn

-(2/3+13/3)×1/10=-1/2

Comparisons

Ceil 0.4 in

-438376+764292 > -138143-462878

Ceil 1.4 in

-33554 < 178325

Ceil 2.4 in

-388433+544440 > -91637-66686

Ceil 3.4 in

-564608÷(-22) > -2×(-3872)

Point 0.3 dp

94.2÷4.71 > 98.01÷29.7

Point 0.4 dp

951.3÷6.795 > 880.516÷9.1

Point 2.4 dp

275.032+76.911 > 864.109-512.178

Point 3.3 dp

13.351÷1.027 > 74.712÷8

Point 3.4 dp

3.36×6.75 < 102.4×3.125

-28.96 < 60.864

10.084 < 12.192

108.111 < 886.755

70.664-35.885 > 1.631+33.128

Doted 2.4 dn

-60.014+716.705 > 275.905-143.044

Doted 3.3 dn

-44×(-1.1) > -2.5×34.56

Improper 0.3 fp

5087/92 > 587/874

Improper 3.3 fp

1/4×176/47 < 471/17×2125/628

Descent 0.1 fn

-1/6÷(-3/4) > 1/3÷(-2/5)

Descent 0.2 fn

-5/1 < -7/8

Descent 1.3 fn

53437/604 > -13406/151

Descent 2.2 fn

43/11-290/77 > 19/2-139/14

Descent 3.1 fn

1/2×2/5 > 1/5÷(-1/3)

Descent 3.2 fn

-27/5×(-5/54) < -1/2÷(-1/2)

Equations

760÷(746-x)=-95

29-767÷x=88

(-959-x)×44=-396

y-x=0

Rounding

Rounding 0.3 dp

67.76÷29.683≈2.28

Rounding 3.3 dp

12÷25.802≈0.47

Language Exercises

Russian Vocabulary 1.5

хл стать

Russian Vocabulary 3.4

нев данный

English Vocabulary 1.4

ann ally

English Vocabulary 2.4

i pression

Lexicon 1.4

h morous [jocular]

Infinitive 2.2

bid [bid]

14+

Recommended for adolescents from the age of fourteen

Integer Examples

Intellect 0.3 in

-6712-(92+1333)×53=-82237

Intellect 1.3 in

3121-168÷8=3100

Intellect 2.3 in

7189-432÷24×3996=-64739

Intellect 3.3 in

-94798+87780÷(91+19)=-94000

Logics 0.3 in

-5508÷(2×162)×(-99)=1683

100×25=2500

4×(-750)÷15=-200

-528÷(16×(-3))=11

-480÷(-4÷2)÷(-4)=-60

Decimal Examples

47÷8=5.875

1.12×12.5=14

0.5×1.44=0.72

230.4÷19.2=12

138.24÷34.56=4

28.56÷10÷6.8=0.42

(4×0.011)÷2=0.022

29.971-(50.44-50.34)×0.36=29.935

Definition 0.4 dp

200.09+(1.189+1.311)×0.06=200.24

Definition 1.4 dp

3.52×0.05+530.528=530.704

Definition 2.4 dp

100.74+1.035×790÷1.15=811.74

Definition 3.3 dp

11.875÷(20.369+4.631)×4.6=2.185

Definition 3.4 dp

769.975+0.72÷(933-904.2)=770

Negatory 0.3 dn

-42.5×1.28-25.444=-79.844

Negatory 0.4 dn

-100.8÷0.896-466.011=-578.511

Negatory 1.4 dn

0.5×270+585.931=720.931

Negatory 2.4 dn

-52+252.72÷13÷0.045=380

Negatory 3.3 dn

-4.8÷(-0.564-1.936)÷0.064=30

Negatory 3.4 dn

3.85×(970-967)×0.16=1.848

Residual_ENG 1.3 dp

24÷4=6

Fraction Examples

Denominator 0.3 fn

-1978/209-(5242/209-20891/253)=12151/253

Denominator 2.3 fn

6/5-9349/277+149/5=-762/277

Denominator 3.3 fn

-1/4-(1/12+1/15)=-2/5

Fragment 0.3 fp

205/13×78/41=30/1

Fragment 3.3 fp

1209/37÷(130/17÷390/17)=3627/37

Limited 0.2 fp

(1/2+2/3)×116/3=406/9

Limited 1.3 fp

3/5×61/51+37/255=44/51

Limited 2.2 fp

377/15×(1/6+17/78)=29/3

Complete 0.2 fn

765/44÷85/4+343/11=32/1

Complete 1.3 fn

100/7-1/3÷7/993=-33/1

Complete 2.2 fn

41/10×(1/2+1/6)=41/15

Comparisons

Doted 0.4 dn

-427.05÷(-26) > 3.825×(-12.8)

Doted 3.4 dn

589.842÷32.769 = -916.344÷(-50.908)

Descent 0.3 fn

-45457/472 < -807/10

Descent 2.3 fn

-1/10-373/730 < 1/3+1/1

Descent 3.3 fn

28/225÷(-56/423) < 79/1÷7900/131

Equations

4x²=64

5x²=0

-5x²+10x=0

x²+11x+24=0

x+y=13

x-y=5

2x×2y=40

3y-2x=7

3y+6x=-30

y+x=-1

4y×5x=160

8y-8x=160

Language Exercises

Russian Vocabulary 2.5

толл

English Vocabulary 1.5

unre sonable

English Vocabulary 2.5

pro essional

English Vocabulary 3.4

g ther

Lexicon 1.5

commun cation [giving]

Lexicon 2.4

hi tory [past]

Infinitive 1.3

misspeak misspoke [misspeak]

Infinitive 3.2

speed [speed]

15+

Recommended for adolescents from the age of fifteen

Integer Examples

Logics 0.4 in

-19×26÷(4199÷(-221))=26

Logics 1.4 in

500×(-4)=-2000

Logics 2.4 in

5640÷(-188)×150=-4500

Logics 3.4 in

24×(354×62)=526752

Logics 4.4 in

-846×(-51×702)÷918=32994

Fraction Examples

Limited 0.3 fp

3320/103+4/17÷412/697=3361/103

Limited 2.3 fp

(81/133-4/7)×741/140=39/196

Complete 0.3 fn

-87/4×2588/957+9/11=-58/1

Complete 2.3 fn

-351/908÷(1/10+2/5)=-351/454

Equations

x²-94x+360=0

43x²=44032

-72x²-5760x=0

-x²-41x+1220=0

y-x=50

x-y=39

69x÷23y=2

40y+63x=7137

-29y-24x=3230

-y+x=-11

-13x×26y=38532

-40y-83x=11968

Language Exercises

Russian Vocabulary 3.5

ц линдр

English Vocabulary 3.5

repres ntative

Lexicon 2.5

disappr val [censure]

Infinitive 2.3

hurt [hurt]

16+

Recommended for adolescents from the age of fifteen

Equations

2x²-544x+25134=0

29x²=3158100

240x²-26160x=0

-9x²-72x-144=0

132x×6y=506880

11y×2x=5017320

88x+92y=165040

3024x÷5y=-864

-x+y=592

x×y=-672300

-240x-356y=268876

Language Exercises

Infinitive 3.3

run [run]

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