2.4×3.7-8x=7.12解方程
人气：311 ℃ 时间：2020-04-12 21:26:24
解答
由2.4×3.7-8x=7.12
8x=2.4×3.7-7.12
8x=1.76
∴x=1.76÷8
x=0.22.
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