题目内容
解方程.
x-
=
x÷
=36
x:2.4=
.
| 2 |
| 5 |
| 2 |
| 3 |
| 1 |
| 3 |
x÷
| 4 |
| 9 |
x:2.4=
| 4 |
| 5 |
(1)
x-
=
,
x-
+
=
+
,
x=1,
x÷
=1÷
,
x=
;
(2)x÷
=36,
x÷
×
=36×
,
x=16;
(3)x:2.4=
,
5x=2.4×4,
5x=9.6,
5x÷5=9.6÷5,
x=1.92.
| 2 |
| 5 |
| 2 |
| 3 |
| 1 |
| 3 |
| 2 |
| 5 |
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 3 |
| 1 |
| 3 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
x=
| 5 |
| 2 |
(2)x÷
| 4 |
| 9 |
x÷
| 4 |
| 9 |
| 4 |
| 9 |
| 4 |
| 9 |
x=16;
(3)x:2.4=
| 4 |
| 5 |
5x=2.4×4,
5x=9.6,
5x÷5=9.6÷5,
x=1.92.
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