18.6*0.75-0.75*8.6简便计算,算式
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18.6*0.75-0.75*8.6简便计算,算式18.6*0.75-0.75*8.6简便计算,算式18.6*0.75-0.75*8.6简便计算,算式18.6*0.75-0.75*8.6=0.75*(
18.6*0.75-0.75*8.6简便计算,算式
18.6*0.75-0.75*8.6简便计算,算式
18.6*0.75-0.75*8.6简便计算,算式
18.6*0.75-0.75*8.6
=0.75*(18.6 -8.6)
=0.75*10
=7.5
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18.6*0.75-0.75*8.6
=(10+8.6)*0.75-0.75*83.6
=10*0.75+0.75*8.6-0.75*8.6
=7.5