5/8-1/12+5/12怎么简便计算
5/8-1/12+5/123/4-(7/12-1/4)3/8(5/8-5/9)能简便的简便计算...
5/8-1/12+5/12 3/4-(7/12-1/4) 3/8(5/8-5/9) 能简便的简便计算
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5/8-1/12+5/12
=5/8+(5/12-1/12)
=5/8+1/3
=23/24
3/4-(7/12-1/4)
=3/4+1/4-7/12
=1-7/12
=5/12
3/8(5/8-5/9)
=3/8*5/72
=5/192
=5/8+(5/12-1/12)
=5/8+1/3
=23/24
3/4-(7/12-1/4)
=3/4+1/4-7/12
=1-7/12
=5/12
3/8(5/8-5/9)
=3/8*5/72
=5/192
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