题目内容
解方程
| 3x-60%x=288 |
|
|
(1)3x-60%x=288,
2.4x=288,
2.4x÷2.4=288÷2.4,
x=120;
(2)
-
x=
,
-
x+
x=
+
x,
-
=
+
x-
,
=
x,
÷
=
x÷
,
x=
;
(3)
x-0.48=1.2,
x-0.48+0.48=1.2+0.48,
x=1.68,
x÷
=1.68÷
,
x=2.1.
2.4x=288,
2.4x÷2.4=288÷2.4,
x=120;
(2)
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x=
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x=2.1.
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