6+
| 7 |
| 10 |
| 3 |
| 5 |
| 6 |
| 7 |
x-20%x=0.6.(1)6+
| 7 |
| 10 |
6+
| 7 |
| 10 |
| 7 |
| 10 |
| 7 |
| 10 |
| 10 |
| 7 |
| 10 |
| 7 |
x=
| 40 |
| 7 |
(2)
| 3 |
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| 6 |
| 7 |
| 3 |
| 5 |
| 5 |
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| 7 |
| 5 |
| 3 |
x=
| 10 |
| 7 |
(3)x-20%x=0.6,
0.8x=0.6,
0.8x÷0.8=0.6÷0.8,
x=0.75.
编辑:chaxungu时间:2026-04-27 13:38:32分类:小学数学题库
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