题目内容
1
÷(x-45%)=2.8.
| 2 |
| 5 |
1
÷(x-45%)=2.8,
1.4÷(x-0.45)=2.8,
x-0.45=1.4÷2.8,
x-0.45=0.5,
x-0.45+0.45=0.5+0.45,
x=0.95;
| 2 |
| 5 |
1.4÷(x-0.45)=2.8,
x-0.45=1.4÷2.8,
x-0.45=0.5,
x-0.45+0.45=0.5+0.45,
x=0.95;
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