25+75×4怎样巧算

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/05 15:08:12
25+75×4怎样巧算

25+75×4怎样巧算
25+75×4怎样巧算

25+75×4怎样巧算
25+75×4
= 25 +25x3x4
= 25+25x4x3
= 25+100x3
= 25+300
= 325

25+75×4
=25+25×3×4
=25+25×4×3
=25+300
=325

25+25*3*4=25*13=325

4*25=100 75=3*25 75*4=3*4*25=300 300+25=325

25+25*3*4=25+100*3=25+300=325

先算75乘4,然后25加他们的积