题目内容
| 解方程 1.3x-0.44=0.6 | 4.5x÷3=0.9 | x-0.1x=1.08. |
(1)1.3x-0.44=0.6
1.3x-0.44+0.44=0.6+0.44,
1.3x=1.04,
1.3x÷1.3=1.÷1.3,
x=0.8;
(2)4.5x÷3=0.9
4.5x÷3×3=0.9×3,
4.5x=2.7,
4.5x÷4.5=2.7÷4.5,
x=0.6;
(3)x-0.1x=1.08
0.9x=1.08,
0.9x÷0.9=1.08÷0.9,
x=1.2.
1.3x-0.44+0.44=0.6+0.44,
1.3x=1.04,
1.3x÷1.3=1.÷1.3,
x=0.8;
(2)4.5x÷3=0.9
4.5x÷3×3=0.9×3,
4.5x=2.7,
4.5x÷4.5=2.7÷4.5,
x=0.6;
(3)x-0.1x=1.08
0.9x=1.08,
0.9x÷0.9=1.08÷0.9,
x=1.2.
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