
11/12-4/15-7/12等于多少用脱式计算
展开全部
=(11/12-7/12)-4/15
=5/12-4/15
=25/60-16/60
=9/60
=3/20
=0.15
=5/12-4/15
=25/60-16/60
=9/60
=3/20
=0.15
展开全部
11/12-4/15-7/12
=11/12-7/12-4/15
=4/12-4/15
=1/3-4/15
=1/15
=11/12-7/12-4/15
=4/12-4/15
=1/3-4/15
=1/15

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展开全部
11/12-4/15-7/12
=11/12-7/12-4/5
=1/3-4/15
=1/15
=11/12-7/12-4/5
=1/3-4/15
=1/15
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