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8x+3x0.9=6.3解方程
人气：365 ℃　时间：2020-04-04 21:29:16
解答
8Ⅹ+2.7=6.3
8Ⅹ+2.7-2.7=6.3-2.7
8Ⅹ=3.6
Ⅹ=3.6÷8
Ⅹ=0.458Ⅹ+2.7=6.3
8Ⅹ+2.7-2.7=6.3-2.7
8Ⅹ=3.6
Ⅹ=3.6÷8
Ⅹ=0.45
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