百分數數學題
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)
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.
妺妺有糖的數量= 30*(1+10%)
=30+3
=33
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
30*(1+10%)
=30*110%
=30*110/100
=33(粒)
HOPE IT CAN HELP YOU ;)
參考: MYSELF
收錄日期: 2021-04-15 16:14:09
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