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100

15+13=n

31

27

28

n=28

100

99-54=n

44

32

45

39

n=45

100

12 times 11=n

132

110

141

n=132

100

81 divided by 9=n

16

9

4

n=9

100

1+1=n

4

1

2

n=2

200

47+79=n

126

130

116

n=126

200

136-102=n

52

34

47

n=34

200

15 times 12=n

175

180

170

n=180

200

104 divided by 7=n

17.2

5

14.8

n=14.8

200

83 divided by 7=n

14.7

13

11.8

n=11.8

300

238+738=n

1,007

932

976

865

n=976

300

836-546=n

392

298

290

n=290

300

36 times 87=n

1,920

3,286

3,132

n=3,132

300

883 divided by 3=n

294.3

298.6

284.1

n=294.3

300

32,937-25,873=n

8,029

7,064

8,264

7,826

n=7,064

400

2,845+8,395=n

10,876

11,240

10,988

10,989

11,240

400

3,689-2,887=n

1,093

802

787

634

n=802

400

104 times 98=n

11,132

10,192

9,738

11,003

n=10,192

400

9,023 divided by 78=n

111.4

145.1

101.8

115.6

n=115.6

400

625,938+423,927=n

2,362,837

1,029,836

1,049,865

1,928,727

n=1,049,865

500

93,628+37,921=n

131,549

130,763

131,943

132,652

n=131,549

500

47,382-12,749=n

34,633

33,684

35,723

34,634

n=34,633

500

503 times 422=n

93,082

199,852

212,266

208,627

n=212,266

500

89,046 divided by 557=n

159.8

143.5

163.7

153.2

n=159.8

500

24,872,748,712+64,742,=n

25,645,155,288

24,872,813,454

36,826,161,838

23,727,847,626

n=24,872,813,454