Question

4.8*0.25怎么简便计算

Answer 1

4.8*0.25=（4+0.8）*0.25=4*0.25+0.8*0.25=1+0.2=1.2

Answer 2

4.8*0.25=0.6×8×0.25=0.6×（8×0.25）=0.6×2=1.2

Answer 3

0.25就是1/4这样在算不就简便了吗，因为4.8可以和4约掉的

Answer 4

1.2*4*0.25=1.2*1=1.2

Answer 5

4.8x1/4=1.2