9.9*8.2+0.82怎么简便计算?

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9.9*8.2+0.82怎么简便计算?9.9*8.2+0.82怎么简便计算?9.9*8.2+0.82怎么简便计算?9.9*8.2+0.82怎么简便计算?谢!=0.82×(99+1)=0.82×100=

9.9*8.2+0.82怎么简便计算?
9.9*8.2+0.82怎么简便计算?

9.9*8.2+0.82怎么简便计算?
9.9*8.2+0.82怎么简便计算?谢!
=0.82×(99+1)
=0.82×100
=82;
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