2x=52+4(80-x)
2x= 52 + 4* 80 - 4x
2x+4x = 52 + 320
6x = 372
x=62
2x=52+4(80-x)这个方程怎么解..我等着.
2x=52+4(80-x)这个方程怎么解..我等着.
数学人气:991 ℃时间:2019-11-16 11:22:44
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