如题所述
2.5x0.6-1.8x0.5
=2.5x0.6-0.6x1.5
=(2.5-1.5)x0.6
=1x0.6
=0.6
=2.5x0.6-0.6x1.5
=(2.5-1.5)x0.6
=1x0.6
=0.6
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第1个回答 2016-09-24
原式等于2.5*0.6-0.6*3*0.5=2.5*0.6-0.6*1.5=0.6*(2.5-1.5)=0.6
第2个回答 2023-03-29
答:2.5*0.6-1.8*0.5
=0.5*0.6*5-0.5*0.6*3
=0.5*0.6*(5-3)
=0.3*2
=0.6
=0.5*0.6*5-0.5*0.6*3
=0.5*0.6*(5-3)
=0.3*2
=0.6