3.1×5.3+5.3×6.9怎么简算?
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/19 04:58:09
3.1×5.3+5.3×6.9怎么简算?3.1×5.3+5.3×6.9怎么简算?3.1×5.3+5.3×6.9怎么简算?3.1×5.3+5.3×6.9=5.3×(3.1+6.9)=5.3×10=535
3.1×5.3+5.3×6.9怎么简算?
3.1×5.3+5.3×6.9怎么简算?
3.1×5.3+5.3×6.9怎么简算?
3.1×5.3+5.3×6.9
=5.3×(3.1+6.9)
=5.3×10
=53
5.3×(3.1+6.9)=53
5.3×(3.1+6.9)
6.9加3.1乘5.3
先乘后加
5.3/(3.1+6.9)
5.3×(3.1+6.9)
=5.3×10
=53
()3.1+6.9)*5.3