1/8×5.75+1.25×4.25简便计算_数学解答

1/8×5.75+1.25×4.25简便计算

人气：452 ℃　时间：2020-04-16 19:20:19

解答

1/8×5.75+1.25×4.2
=0.125×5.75+1.25×4.2
=0.125×（5.75+10×4.2）
=0.125×47.75
=5.96875