题目内容

(2009?建华区)用简便方法计算.
9.37-(3.37-1.59) 5.36×6.3+53.6×0.37.
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.
解答: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.
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.
练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网