五年级简便计算题8.6*2.65+3.6*7.35
2019-06-01
五年级简便计算题8.6*2.65+3.6*7.35
优质解答
8.6*2.65+3.6*7.35
=5x2.65+3.6x3.65+3.6x7.35
=13.25+3.6x(3.65+7.35)
=13.25+3.6x10
=13.25+36
=49.25
8.6*2.65+3.6*7.35
=5x2.65+3.6x3.65+3.6x7.35
=13.25+3.6x(3.65+7.35)
=13.25+3.6x10
=13.25+36
=49.25