3.1×5.3+5.3×6.9怎么简算?
来源:学生作业学帮网 编辑:学帮网 时间:2024/05/16 05:49:29
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
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来源:学生作业学帮网 编辑:学帮网 时间:2024/05/16 05:49:29
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