8.88*1.25如何巧算

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8.88*1.25如何巧算
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8.88*1.25如何巧算
8.88*1.25如何巧算

8.88*1.25如何巧算
8.88*1.25
=(8+0.8+0.08)*1.25
=8*1.25+0.8*1.25+0.08*1.25
=10+1+0.1
=11.1

8.88*1.25
=8*1.11*1.25
=8*1.25*1.11
=10*1.11
=11.1
8.88*1.25
=8.88*(1+0.25)
=8.88*(1+1/4)
=8.88+2.22
=11.1

=8*1.25+0.8*1.25+0.08*1.25
=10+1+0.1
=11.1

8.88*1.25=1.11*(8*1.25)=1.11*10=11.1