0.27×3-6x=0.51.
人气:179 ℃ 时间:2020-02-06 02:42:59
解答
0.27×3-6x=0.51,
0.81-6x=0.51,
0.81-6x+6x=0.51+6x,
0.51+6x-0.51=0.81-0.51,
6x÷6=0.3÷6,
x=0.05.
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