请问56.12 (19.9-16.88) 11.1怎么巧算?
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56.12-(19.9-16.88)-11.1
=56.12-19.9+16.88-11.1
=56.12+16.88-19.9-11.1
=73-19.9-11.1
=73-(19.9-11.1)
=73-31
=42
=56.12-19.9+16.88-11.1
=56.12+16.88-19.9-11.1
=73-19.9-11.1
=73-(19.9-11.1)
=73-31
=42
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展开全部
56.12-(19.9-16.88)-11.1
=56.12-19.9+16.88-11.1
=56.12+16.88-(19.9+11.1)
=73-31
=42
=56.12-19.9+16.88-11.1
=56.12+16.88-(19.9+11.1)
=73-31
=42
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展开全部
56.12-(19.9-16.88)一11.1
=56.12-19.9+16.88-11.1
=56.12+16.88-(19.9+11.1)
=72一31
=41
=56.12-19.9+16.88-11.1
=56.12+16.88-(19.9+11.1)
=72一31
=41
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展开全部
56.12-(19.9-16.88)-11.1
=56.12-19.9+16.88-11.1
=(56.12+16.88)-(19.9+11.1)
=73-31
=42
=56.12-19.9+16.88-11.1
=(56.12+16.88)-(19.9+11.1)
=73-31
=42
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已踩过<
评论
收起
你对这个回答的评价是?
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