1.25*(35+0.8)简便计算

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1.25*(35+0.8)简便计算

1.25*(35+0.8)简便计算
1.25*(35+0.8)简便计算

1.25*(35+0.8)简便计算
1.25*(35+0.8)
=1.25*35+1.25*0.8
=1.25*(32+3)+1
=1.25*32+1.25*3+1
=1.25*8*4+3.75+1
=40+4.75
=44.75

1.25*(35+0.8)
=1.25*35+1.25*0.8
=43.75+1
=44.75

1.25*(35+0.8)
=1.25*35+1.25*0.8
=1.25*(40-5)+1
=1.25*40-1.25*5+1
=50-6.25+1
=44.75