问题
解答题
解方程．
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答案
①8x+4×0.6=8，
8x+2.4=8，
8x+2.4-2.4=8-2.4，
8x=5.6，
8x÷8=5.6÷8，
x=0.7；
②1-
| 3 |
| 8 |
| 4 |
| 5 |
1-
| 3 |
| 8 |
| 3 |
| 8 |
| 4 |
| 5 |
| 3 |
| 8 |
| 3 |
| 8 |
| 4 |
| 5 |
| 4 |
| 5 |
| 4 |
| 5 |
| 3 |
| 8 |
| 1 |
| 5 |
| 3 |
| 8 |
| 3 |
| 8 |
| 1 |
| 5 |
| 3 |
| 8 |
x=
| 8 |
| 15 |
③x-
| x |
| 5 |
| 4 |
| 5 |
| 4 |
| 5 |
| 4 |
| 5 |
| 4 |
| 5 |
x=15．
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