题目内容
解方程.
X=40X÷
=
X-
X=
.
| 5 |
| 8 |
| 2 |
| 3 |
| 5 |
| 6 |
| 3 |
| 4 |
| 1 |
| 8 |
(1)
X=40,
x÷
=40÷
,
x=64;
(2)X÷
=
,
X÷
×
=
×
,
x=
;
(3)X-
X=
,
x÷
=
÷
,
x=0.5.
| 5 |
| 8 |
| 5 |
| 8 |
| 5 |
| 8 |
| 5 |
| 8 |
x=64;
(2)X÷
| 2 |
| 3 |
| 5 |
| 6 |
X÷
| 2 |
| 3 |
| 2 |
| 3 |
| 5 |
| 6 |
| 2 |
| 3 |
x=
| 5 |
| 9 |
(3)X-
| 3 |
| 4 |
| 1 |
| 8 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 8 |
| 1 |
| 4 |
x=0.5.
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