题目内容
| 4.5x+5.1=6.2x. | 7.3(x+2.2)=27.01. |
(1)4.5x+5.1=6.2x,
4.5x+5.1-4.5x=6.2x-4.5x,
5.1=1.7x,
5.1÷1.7=1.7x÷1.7,
x=3;
(2)7.3(x+2.2)=27.01,
7.3(x+2.2)÷7.3=27.01÷7.3,
x+2.2=3
,
x+2.2-2.2=3
-2.2,
x=1.5.
4.5x+5.1-4.5x=6.2x-4.5x,
5.1=1.7x,
5.1÷1.7=1.7x÷1.7,
x=3;
(2)7.3(x+2.2)=27.01,
7.3(x+2.2)÷7.3=27.01÷7.3,
x+2.2=3
| 511 |
| 730 |
x+2.2-2.2=3
| 511 |
| 730 |
x=1.5.
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