9.8*45+5.5*98怎么算

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/05 21:30:57

9.8*45+5.5*98怎么算
9.8*45+5.5*98怎么算

9.8*45+5.5*98怎么算
9.8*45+5.5*98
=9.8*45+9.8*55
=9.8*(45+55)
=9.8*100
=980

9.8*45+5.5*98
=9.8*45+5.5*10*9.8
=9.8*45+55*9.8
=9.8*(45+55)
=9.8*100
=980