6.65*3.8+33.5*0.38怎么巧算?

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/23 10:54:09
6.65*3.8+33.5*0.38怎么巧算?6.65*3.8+33.5*0.38怎么巧算?6.65*3.8+33.5*0.38怎么巧算?6.65*3.8+33.5*0.38=6.65*3.8+3.3

6.65*3.8+33.5*0.38怎么巧算?
6.65*3.8+33.5*0.38怎么巧算?

6.65*3.8+33.5*0.38怎么巧算?
6.65*3.8+33.5*0.38=6.65*3.8+3.35*3.8=(6.65+3.35)*3.8=10*3.8=38