2.5*0.6-1.8*0.5怎么样简算

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2.5*0.6-1.8*0.5怎么样简算

2.5*0.6-1.8*0.5怎么样简算
2.5*0.6-1.8*0.5怎么样简算

2.5*0.6-1.8*0.5怎么样简算
2.5*0.6-1.8*0.5
=0.5x(3-1.8)
=0.5x1.2
=0.6

2.5*0.6-1.8*0.5
=1.5-0.9
=0.6

2.5*0.6-1.8*0.5
=0.5*5*0.6-1.8*0.5
=0.5*(3-1.8)
=0.5*1.2
=0.6