34/35-(4/15+2/5) 2-3/8÷7/16-1/7 (5/12+1/9-3/8)×72简便计算
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![34/35-(4/15+2/5) 2-3/8÷7/16-1/7 (5/12+1/9-3/8)×72简便计算](/uploads/image/z/334422-54-2.jpg?t=34%2F35%EF%BC%8D%EF%BC%884%2F15%EF%BC%8B2%2F5%EF%BC%89+2%EF%BC%8D3%2F8%C3%B77%2F16%EF%BC%8D1%2F7+%EF%BC%885%2F12%EF%BC%8B1%2F9%EF%BC%8D3%2F8%EF%BC%89%C3%9772%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
34/35-(4/15+2/5) 2-3/8÷7/16-1/7 (5/12+1/9-3/8)×72简便计算
34/35-(4/15+2/5) 2-3/8÷7/16-1/7 (5/12+1/9-3/8)×72简便计算
34/35-(4/15+2/5) 2-3/8÷7/16-1/7 (5/12+1/9-3/8)×72简便计算
34/35-(4/15+2/5)
=34/35-4/15-2/5
=34/35-4/15-14/35
=4/7-4/15
=4*8/105
=32/105
2-3/8÷7/16-1/7
=2-3/8*16/7-1/7
=2-6/7-1/7
=2-(6/7+1/7)
=2-1
=1
(5/12+1/9-3/8)×72
=30+8-27
=11
34/35-(4/15+2/5)
=34/35-(4/15+6/15)
=34/35-2/3
=102/105-70/105
=32/105
2-3/8÷7/16-1/7
=2-3/8×16/7-1/7
=2-6/7-1/7
=1
(5/12+1/9-3/8)×72
=30+8-27
=38-27
=11