如图,正方形ABCD的边长为6,AE=1.5,CF=2.长方形EFGH的面积为 .
12÷ = :20==0.8= %
将分数1写成两个数相除的式子:1 .
:16=15÷ == %= (填小数)
÷ = :16=5÷ = %=0.25.
0.8=12÷ = :10= %