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5/12+11/15-6/15+7/12=?
题目详情
5/12+11/15-6/15+7/12=?
▼优质解答
答案和解析
5/12+11/15-6/15+7/12
=5/12+7/12+11/15-6/15
=(5/12+7/12)+(11/15-6/15)
=1+1/3
=1又1/3
=5/12+7/12+11/15-6/15
=(5/12+7/12)+(11/15-6/15)
=1+1/3
=1又1/3
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