0.75*2.7+72*0.075+0.075的简便计算

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0.75*2.7+72*0.075+0.075的简便计算
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0.75*2.7+72*0.075+0.075的简便计算
0.75*2.7+72*0.075+0.075的简便计算

0.75*2.7+72*0.075+0.075的简便计算
0.75*2.7+72*0.075+0.075
=0.75*2.7+7.2*0.75+0.1*0.75
=0.75*(2.7+7.2+0.1)
=0.75*10
=7.5

=0.75x2.7+0.75x7.2+0.75x0.1
=7.5

10*0.075*2.7+72*0.075+0.075
=0.075*(10*2+72+1)
=0.075*(93)
=6.975

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