题目内容
解方程或比例
x+
=
x-
x=24
=
.
| 5 |
| 6 |
| 1 |
| 5 |
| 6 |
| 5 |
| 2 |
| 3 |
| 2 |
| 5 |
| 0.1 |
| 0.01 |
| 100 |
| x |
(1)
x+
=
,
x+
-
=
-
,
x×
=1×
,
x=1
;
(2)
x-
x=24,
x=24,
x×
=24×
,
x=90;
(3)
=
,
0.1x=100×0.01,
0.1x÷0.1=1÷0.1,
x=10.
| 5 |
| 6 |
| 1 |
| 5 |
| 6 |
| 5 |
| 5 |
| 6 |
| 1 |
| 5 |
| 1 |
| 5 |
| 6 |
| 5 |
| 1 |
| 5 |
| 5 |
| 6 |
| 6 |
| 5 |
| 6 |
| 5 |
x=1
| 1 |
| 5 |
(2)
| 2 |
| 3 |
| 2 |
| 5 |
| 4 |
| 15 |
| 4 |
| 15 |
| 15 |
| 4 |
| 15 |
| 4 |
x=90;
(3)
| 0.1 |
| 0.01 |
| 100 |
| x |
0.1x=100×0.01,
0.1x÷0.1=1÷0.1,
x=10.
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