题目内容
x-
=
2.4x=3.12.
| 4 |
| 9 |
| 2 |
| 9 |
(1)x-
=
,
x-
+
=
+
,
x=
;
(2)2.4x=3.12,
2.4x÷2.4=3.12÷2.4,
x=1.3.
| 4 |
| 9 |
| 2 |
| 9 |
x-
| 4 |
| 9 |
| 4 |
| 9 |
| 2 |
| 9 |
| 4 |
| 9 |
x=
| 2 |
| 3 |
(2)2.4x=3.12,
2.4x÷2.4=3.12÷2.4,
x=1.3.
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