用简便方法计算.9.37-(3.37-1.59)5.36×6.3+53.6×0.37.

发布时间:2020-07-31 00:01:28

用简便方法计算. 9.37-(3.37-1.59)5.36×6.3+53.6×0.37.

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解:
(1)9.37-(3.37-1.59),
=9.37-3.37+1.59,
=6+1.59,
=7.59;

(2)5.36×6.3+53.6×0.37,
=5.36×6.3+5.36×3.7,
=5.36×(6.3+3.7),
=5.36×10,
=53.6.

解析分析:(1)根据连减的性质进行计算;(2)根据乘法分配律进行计算.

点评:四则运算,先弄清运算顺序,然后再进一步计算,能简算的要简算.
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