8.72*1.48+3.8*1.28+8.72*2.32简算

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8.72*1.48+3.8*1.28+8.72*2.32简算
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8.72*1.48+3.8*1.28+8.72*2.32简算
8.72*1.48+3.8*1.28+8.72*2.32简算

8.72*1.48+3.8*1.28+8.72*2.32简算
8.72*1.48+3.8*1.28+8.72*2.32
=8.72*(1.48+2.32)+3.8*1.28
=8.72*3.8+3.8*1.28
=3.8*(8.72+1.28)
=3.8*10
=38

8.72*(1.48+3.8/6+2.32)

=8.72*(1.48+2.32)+3.8*1.28
=8.72*3.8+3.8*1.28
=3.8*(8.72+1.28)
=3.8*10
=38