(能简算的要简便计算要过程)6-3/11-8/1111/14-3/5+3/14-2/5 3/4-(2/5-1/4)
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![(能简算的要简便计算要过程)6-3/11-8/1111/14-3/5+3/14-2/5 3/4-(2/5-1/4)](/uploads/image/z/4325657-41-7.jpg?t=%EF%BC%88%E8%83%BD%E7%AE%80%E7%AE%97%E7%9A%84%E8%A6%81%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%E8%A6%81%E8%BF%87%E7%A8%8B%EF%BC%896-3%2F11-8%2F1111%2F14-3%2F5%2B3%2F14-2%2F5+3%2F4-%282%2F5-1%2F4%29)
(能简算的要简便计算要过程)6-3/11-8/1111/14-3/5+3/14-2/5 3/4-(2/5-1/4)
(能简算的要简便计算要过程)6-3/11-8/11
11/14-3/5+3/14-2/5 3/4-(2/5-1/4)
(能简算的要简便计算要过程)6-3/11-8/1111/14-3/5+3/14-2/5 3/4-(2/5-1/4)
6-3/11-8/11
=6-(3/11+8/11)
=6-1
=5
11/14-3/5+3/14-2/5
=11/14+3/14-(2/5+3/5)
=1-1
=0
3/4-(2/5-1/4)
= 3/4+1/4-2/5
=1-2/5
=3/5
要采纳最先回答的正确答案,是对答题者劳动的尊重.祝进步!
11/14-3/5+3/14-2/5
=(11/14+3/14)-(3/5+2/5)
=1-1
=0
3/4-(2/5-1/4)
=3/4-2/5+1/4
=(3/4+1/4)-2/5
=1-2/5
=3/5