题目内容
求未知数x.
①
=
②2x-1.65+2.35=7.
①
| 0.25 |
| 1.25 |
| 1.6 |
| x |
①
=
0.25x=1.25×1.6
x=8;
②2x-1.65+2.35=7
2x=7+1.65-2.35
2x=6.3
x=3.15.
| 0.25 |
| 1.25 |
| 1.6 |
| x |
0.25x=1.25×1.6
x=8;
②2x-1.65+2.35=7
2x=7+1.65-2.35
2x=6.3
x=3.15.
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