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100

MENTAL MATH

23 +29 =

52

100

MENTAL MATH

70 - 37 =

33

100

3×3

9

100

MENTAL MATH

9÷3 =

3

200

MENTAL MATH

44 +57 =

101

200

MENTAL MATH

129 - 11 =

118

200

7×2

14

200

MENTAL MATH

24÷6 =

4

300

MENTAL MATH

126 +192 =

318

300

MENTAL MATH

278 -119 =

159

300

MENTAL MATH

8×7 =

56

300

MENTAL MATH

42÷6 =

7

400

MENTAL MATH

327 + 314 =

641

400

MENTAL MATH

345 - 157 =

188

400

MENTAL MATH

3×9 =

27

400

56×8 =

7

500

MENTAL MATH

670 + 445 =

1,115

500

MENTAL MATH

887 -139 =

748

500

6×7 =

42

500

MENTAL MATH

72÷9 =

8

600

MENTAL MATH

5,125+385 =

5,510

600

MENTAL MATH

965 - 498 =

467

600

MENTAL MATH

9×9=

81

600

MENTAL MATH

81÷9 =

9