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multiply
division
adding
subtracting
square root
100

what is 3x3 

the anser is 9

100

what is 9 divided 3

3

100

7+7

14

100

60-3

67

100

square root of 81

9

200

7x7

7

300

20x9

180


400

72x4

288

500

1234x7

8368