excel表格里面怎么把数字提取出来再继续运算比如计算货物问题,单元格A1中:3件5片,在B1中需要运算3*2+5*0.8
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B1=SUMPRODUCT(TRIM(MID(SUBSTITUTE(SUBSTITUTE(A1,"ç",""),"件",REPT(" ",9)),{1,10},10))*{2,0.8})
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