题目内容
比1
的60%少0.7的数正好是一个数的1%,求这个数.
| 2 |
| 3 |
(1
×60%-0.7)÷1%,
=(
×
-0.7)÷0.01,
=(1-0.7)÷0.01,
=0.3÷0.01,
=30;
答:这个数是30.
| 2 |
| 3 |
=(
| 5 |
| 3 |
| 3 |
| 5 |
=(1-0.7)÷0.01,
=0.3÷0.01,
=30;
答:这个数是30.
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