9/14÷(1/3*6/7-1/14) 1/7+7/8*5/7-3/8 【1/2+(3/4-3/5)】÷7/10 简便计算
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![9/14÷(1/3*6/7-1/14) 1/7+7/8*5/7-3/8 【1/2+(3/4-3/5)】÷7/10 简便计算](/uploads/image/z/361298-2-8.jpg?t=9%2F14%C3%B7%EF%BC%881%2F3%2A6%2F7-1%2F14%EF%BC%89+1%2F7%2B7%2F8%2A5%2F7-3%2F8+%E3%80%901%2F2%2B%EF%BC%883%2F4-3%2F5%EF%BC%89%E3%80%91%C3%B77%2F10+%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
9/14÷(1/3*6/7-1/14) 1/7+7/8*5/7-3/8 【1/2+(3/4-3/5)】÷7/10 简便计算
9/14÷(1/3*6/7-1/14) 1/7+7/8*5/7-3/8 【1/2+(3/4-3/5)】÷7/10 简便计算
9/14÷(1/3*6/7-1/14) 1/7+7/8*5/7-3/8 【1/2+(3/4-3/5)】÷7/10 简便计算
9/14÷(1/3*6/7-1/14)
=9/14÷(2/7-1/14)
=9/14÷3/14
=3
1/7+7/8*5/7-3/8
=1/7+5/8-3/8
=1/7+1/4
=4/28+7/28
=11/28
【1/2+(3/4-3/5)】÷7/10
=(0.5+0.75-0.6)÷0.7
=0.65÷0.7
=13/14