用简便方式计算52.56+0.73+13.44+51.28+23+27+32.2该怎么算呢?
3个回答
2020-05-07
展开全部
用简便方式计算
52.56+0.73+13.44+51.28+23+27+32.2
=(52.56+13.44)+(0.73+51.28)+(23+27)+32.2
=66+52.01+50+32.2
=112.01+82.2
=194.21
52.56+0.73+13.44+51.28+23+27+32.2
=(52.56+13.44)+(0.73+51.28)+(23+27)+32.2
=66+52.01+50+32.2
=112.01+82.2
=194.21
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