Addition/加
Subtraction/减
Multiplication/乘
100

13+14

27

100

45-35

10

100

3x4

12

200

23+45

68

200

30-30

0

200

56x1

56

300

twenty-four+twenty

44

300

40-34

6

300

Thirty*Four

120

400

Thirty+ Fourty

70

400

12-8

4

400

Fifty*Five

250

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