解方程75%X=70-X
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答案40,x=40,解方程:75%x=70-x,0.75x=70-x,则0.75x+x=70,1.75x=70,则x=70➗1.75=7000➗175=40
咨询记录 · 回答于2022-10-25
解方程75%X=70-X
答案40,x=40,解方程:75%x=70-x,0.75x=70-x,则0.75x+x=70,1.75x=70,则x=70➗1.75=7000➗175=40
答案40,x=40,解方程:75%x=70-x,0.75x=70-x,则0.75x+x=70,1.75x=70,则x=70➗1.75=7000➗175=40
75%=0.75,所以75%x=0.75x