解方程
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| (1)1.56x+3.16=7.84 1.56x=4.68 x=3 | (2)7.6x+2x+0.72=18 9.6x=17.28 x=1.8 | (3)5.8×4.5+0.4x=29.1 0.4x=3 x=7.5 |
| (4)x+0.7x+0.96=3 1.7x=2.04 x=1.2 | (5)3.9x+9.36=13.65 3.9x=4.29 x=1.1 | (6)(x-3)÷4=7.2 x-3=28.8 x=31.8 |
编辑:chaxungu时间:2026-04-27 13:38:17分类:小学数学题库
解方程
|
| (1)1.56x+3.16=7.84 1.56x=4.68 x=3 | (2)7.6x+2x+0.72=18 9.6x=17.28 x=1.8 | (3)5.8×4.5+0.4x=29.1 0.4x=3 x=7.5 |
| (4)x+0.7x+0.96=3 1.7x=2.04 x=1.2 | (5)3.9x+9.36=13.65 3.9x=4.29 x=1.1 | (6)(x-3)÷4=7.2 x-3=28.8 x=31.8 |
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