74*47+94*13的简便计算要简便

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/07 08:02:14
74*47+94*13的简便计算要简便

74*47+94*13的简便计算要简便
74*47+94*13的简便计算
要简便

74*47+94*13的简便计算要简便
74*47+94*13
=74*47+47*26
=47*(74+26)
=47*100
=4700

74*47+94*13
=74*47+47*2*13
=47*(74+26)
=47*100
=4700

74*47+94*13
=74*47+47*2*13
=47*(74+26)
=47*100
=4700

74*47+94*13
=74*(50-3)+13*(100-6)
=74*50-74*3+13*100-13*6
=3700-222+1300-78
=3478+1222
=4700