×30= ÷ = + = ÷ = 0× =
3.2÷0.4= 5- = × = 1.21× = ÷2.2=
⑴:
⑵:0.5
⑶2.5:0.45
答:《小马过河》比《白雪公主》便宜( )元。
答:正好买( )和( )(填序号)