Maths

👨🏻‍🏫 學術台數學

[匿名]

2009-07-17 11:46 pm

divide the sum of 7 times and 11 by 3

更新1:

divide the sum of 7 times 2 and 11 by 3

更新2:

divide the sum of 7 times 2 and 11 by the sum of 2 and 3

回答 (2)

cipker

2009-07-29 10:59 pm

✔ 最佳答案

7 times 2
= 7 x 2

the sum of 7 times 2 and 11
= 7 x 2 + 11

the sum of 2 and 3
= 2 + 3

divide the sum of 7 times 2 and 11 by the sum of 2 and 3
= (7 x 2 + 11)/(2 + 3)
= (14 + 11)/5
= 25/5
= 5

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用戶10012

2009-07-18 1:09 am

I think there should be a number after times ( ? ? ) and.....

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