56×7.25+3.75×4.56-4.56简便计算
问题描述:
56×7.25+3.75×4.56-4.56简便计算
答
4.56×7.25+3.75×4.56-4.56
=4.56×(7.25+3.75-1)
=4.56×10
=45.6