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数学
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17(2-3y)-5(12-y)=8(1+y)怎么解 x-3(x-2)=2怎么解
人气:321 ℃ 时间:2020-01-29 07:34:04
解答
1.去括号:34-51y-60+5y=8+8y
移项:-54y=34
y=-(17/27)
2.x-3x+6=2
-2x=4
x=-2
解一元一次方程个人认为不是一件难事,只要按照既定步骤,沉下心来,用心去解,减少笔误,就一定能解好!
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