MATH...+10>< 急...得一日!!

2008-06-05 12:08 am
supermatrket 有144 支可樂,冇糖既數量比可樂小6.25%...
佢地+ 埋有幾多支??
條"色"+部驟+ 答案
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回答 (3)

2008-06-05 3:03 am
✔ 最佳答案
冇糖可樂的數量有:
144 x (1- 6.25%) (←因為冇糖既數量比可樂小6.25%,所以用1- 6.25% )
=144 x (100% - 6.25%)
=144 x 93.75 %
=144 x 0.9375 (←將93.75 % 分為小數,如果唔得,可以將144 x 93.75/100)←即係93.75分子,100分母
=135 (支)

可樂及冇糖可樂的數量共有:
144 135
=279 (支)

2008-06-04 19:04:16 補充:
可樂及冇糖可樂的數量共有:
144+135
=279 (支)
參考: 自己
2008-06-06 12:25 am
144 144(1-6.25%)

=144 135

=279
2008-06-05 12:27 am
144 + 144(1-6.25%)
=144+135
=279
參考: myself


收錄日期: 2021-04-15 15:05:53
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