2.5*0.3+0.8*0.25可以简算吗?
问题描述:
2.5*0.3+0.8*0.25可以简算吗?
答
2.5*0.3+0.8*0.25=2.5*0.3+0.08*2.5=2.5*(0.3+0.08)=2.5*0.38=0.95
2.5*0.3+0.8*0.25可以简算吗?
2.5*0.3+0.8*0.25=2.5*0.3+0.08*2.5=2.5*(0.3+0.08)=2.5*0.38=0.95