4.96-1.28+5.04-2.72怎样简便计算
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4.96-1.28+5.04-2.72怎样简便计算
![4.96-1.28+5.04-2.72怎样简便计算](/uploads/image/z/16393809-57-9.jpg?t=4.96-1.28%2B5.04-2.72%E6%80%8E%E6%A0%B7%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
4.96-1.28+5.04-2.72
=4.96+5.04-1.28-2.72
=(4.96+5.04)-(1.28+2.72)
=10-4
=6
=4.96+5.04-1.28-2.72
=(4.96+5.04)-(1.28+2.72)
=10-4
=6