數學解難(方程問題)急

2014-06-01 12:34 am
我想問這條問題的答案


m+2m+7m×4=

回答 (4)

2014-06-01 1:47 am
✔ 最佳答案
由於先乘除,後加減的關係:
m+2m+7m×4
=3m+7x4xm
=3m+28m
=31m

除非.......
4(m+2m+7m)
=4xm+4x2m+4x7m
=4m+8m+28m
=40m
參考: me
2014-06-01 12:49 am
m + 2m + 7m times 4
= m + 2m + 28m
= 3m + 28m
= 31m
2014-06-01 12:45 am
m+2m+7m×4=
m+2m+28m=
3m+28m=31m
2014-06-01 12:39 am


m+2m+7m×4
=m+2m+28m
=31m

OR

(m+2m+7m)×4
=10m×4
=40m



2014-05-31 16:50:21 補充:
看你題目有沒有()括號
如否则是=31m


收錄日期: 2021-04-13 22:44:45
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