0.65*47+6.5*5.3用简便算法怎么算
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![0.65*47+6.5*5.3用简便算法怎么算](/uploads/image/z/369218-2-8.jpg?t=0.65%2A47%2B6.5%2A5.3%E7%94%A8%E7%AE%80%E4%BE%BF%E7%AE%97%E6%B3%95%E6%80%8E%E4%B9%88%E7%AE%97)
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0.65*47+6.5*5.3用简便算法怎么算
0.65*47+6.5*5.3用简便算法怎么算
0.65*47+6.5*5.3用简便算法怎么算
0.65×47+6.5×5.3
=0.65×47+0.65×53
=0.65×(47+53)
=0.65×100
=65
0.65*47+6.5*5.3
=6.5X4.7+6.5x5.3
=6.5x(4.7+5.3)
=6.5x10
=65