百分數數學題

2014-08-14 3:39 am

弟弟有糖30粒,妺妺比他所有的多10%;妺妺有糖多少粒?求解

回答 (5)

2015-10-16 7:17 pm

No. of candy brother has=30 piece
No. of candy sister has=?
The solution:-
=30 x (1+10%)
=30 X 110%
=33 pieces.
No. of candy sister has=33 pieces.

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2014-08-16 12:51 am

妺妺有糖的數量= 30*(1+10%)
=30+3
=33

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2014-08-15 4:18 am

30x(1+10%) ←弟弟有的數目+妹妹比他多的數目
=30x110%
=33
∴妹妹有糖33粒。

參考: 我

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2014-08-14 5:52 am

30*(1+10%)
=30*110%
=30*110/100
=33(粒)
HOPE IT CAN HELP YOU ;)

參考: MYSELF

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2014-08-14 3:49 am

30x10%=3

30+3=33

妹妹有33粒

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