题目内容
| 解方程或解比例. 2x-5.35=65% |
| (x+
|
|
(1)2x-5.35=65%,
2x-5.35+5.35=0.65+5.35,
2x÷2=6÷2,
x=3;
(2)
x+
x=121,
x=121,
x×
=121×
,
x=132;
(3)(x+
)×7=8.1,
7x+6=8.1,
7x+6-6=8.1-6,
7x÷7=2.1÷7,
x=0.3;
(4)
=
,
×3.6=
×3.6,
x=15.
2x-5.35+5.35=0.65+5.35,
2x÷2=6÷2,
x=3;
(2)
| 1 |
| 4 |
| 2 |
| 3 |
| 11 |
| 12 |
| 11 |
| 12 |
| 12 |
| 11 |
| 12 |
| 11 |
x=132;
(3)(x+
| 6 |
| 7 |
7x+6=8.1,
7x+6-6=8.1-6,
7x÷7=2.1÷7,
x=0.3;
(4)
| x |
| 3.6 |
| 5 |
| 1.2 |
| x |
| 3.6 |
| 5 |
| 1.2 |
x=15.
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