1)Subtract 12 from 20
2)Divide 48 by 16
3)Add 3 to the product of 4 and 5
4)Add 2 to the product of 2,3 and 4
5)Multiply the sum of 8 and 2 by 6
6)Divide the product of 7 and 18 by 9
7)96 minus the quotient when 75 is divided by 5
8)Subtract 3 from the quotient when 18 is divided by 2
9)Divide 72 by 4 and add 4 to the result
有無人可以幫幫忙 (不用答案 只需解釋)
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