10.125-(10.5-6.875)-6.5怎么简便计算快

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10.125-(10.5-6.875)-6.5怎么简便计算快
10.125-(10.5-6.875)-6.5怎么简便计算

10.125-(10.5-6.875)-6.5怎么简便计算快
=10.125+6.875-10.5-6.5
=17-(10.5+6.5)
=17-17
=0

10.125-(10.5-6.875)-6.5
=10.125+6.875-10.5-6.5
=17-17
=0

=10.125+6.875-10.5-6.5
=17-(10.5+6.5)
=17-17
=0

=10.125+6.875-10.5-6.5
=17-17
=0

把括号去掉
10.125-10.5+6.875-6.5=17-17=0

化成分数

10.125+6.875-(10.5+6.5)=0

10.125-(10.5-6.875)-6.5=10.125+6.875-(10.5+6.5)=7-7=0