8.54-39.6/13.2怎样简便 4.5*3.2+6.36怎样简便 3.25*(4.39-2.79）怎样简便
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8.54-39.6/13.2怎样简便4.5*3.2+6.36怎样简便3.25*(4.39-2.79）怎样简便8.54-39.6/13.2怎样简便4.5*3.2+6.36怎样简便3.25*(4.39-2
8.54-39.6/13.2怎样简便 4.5*3.2+6.36怎样简便 3.25*(4.39-2.79）怎样简便
8.54-39.6/13.2怎样简便 4.5*3.2+6.36怎样简便 3.25*(4.39-2.79）怎样简便
8.54-39.6/13.2怎样简便 4.5*3.2+6.36怎样简便 3.25*(4.39-2.79）怎样简便
8.54-39.6/13.2
=8.54-3
=5.54
4.5*3.2+6.36
=14.4+6.36
=20.76
3.25*(4.39-2.79）
=3.24*1.6
=5.184
8.54-39.6/13.2
= 8.54- 3
= 5.54
4.5×3.2+6.36
=14.4 + 6.36
= 20.76
3.25×(4.39-2.79）
= 3.25 × 1.6
= 5.2