5.04-(2.39-1.96)怎样简便计算?
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5.04-(2.39-1.96)怎样简便计算?5.04-(2.39-1.96)怎样简便计算?5.04-(2.39-1.96)怎样简便计算?5.04-(2.39-1.96)=5.04+1.96-2.39
5.04-(2.39-1.96)怎样简便计算?
5.04-(2.39-1.96)怎样简便计算?
5.04-(2.39-1.96)怎样简便计算?
5.04-(2.39-1.96)
=5.04+1.96-2.39
=7-2.39
=4.61
5.04-(2.39-1.96)
=5.04+1.96-2.39
=7-2.39
=4.61