A:Let’s drive to my house.
B:Here we are.
C:Would you like to see my house?
D:My house is behind the hill.
五分之三里面有____个五分之一,再加上____个五分之一就成了1。
平行四边形可画出两条对称轴
3.2×0.25×1.25
=____×1.25
=____