6.25×4.5+4.5×3.75简便计算
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/17 01:44:38
6.25×4.5+4.5×3.75简便计算
4.5×(6.25+3.75)
=4.5×10
=45
6.25×4.5+4.5×3.75 = 4.5*(6.25+3.75) = 4.5*10 =45
=4.5•(6.25+3.75)
=4.5•10
=45^_^
(6.25+3.75)*4.5=10*4.5=45
(6.25+3.75)X4.5
4.5乘于(6.25+3.75)