400x+910000=460x+660000怎么解
400x+910000=460x+660000怎么解 -
﹣60x=﹣250000 x=4166.666666说完了。
(500-440)x=910000-660000 60x=250000 x=12500/3
﹣60x=﹣250000 x=4166.666666说完了。
(500-440)x=910000-660000 60x=250000 x=12500/3