0.3*50+5x=160
15+5x=160
5x=160-15
5x=145
x=145/5
x=29是0.3%X”乘”50+5X=160!!!!到底是30%乘50,还是0.3%x乘50?0.3*0.5x+5x=1605.15x=160x=160/5.15=31.68是0.3%x乘500.03*50x+5x=1600.15x+5x=160x=160/5.15x=31.068
30%X乘50+5X=160怎样解答?每一个过程要写清楚~~~急~~好心人帮帮忙~
30%X乘50+5X=160怎样解答?每一个过程要写清楚~~~急~~好心人帮帮忙~
数学人气:166 ℃时间:2020-03-27 03:13:49
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