看图填空.(1) + + + = (厘米) × + × = (厘米) ( + )× = (厘米)(2) + + + = (厘米) × = (厘米)(3)a+ + +d a+ + +d a+ +c+ .
24÷ = :24== %= 折= (填小数).
0.3÷ =5:4=.
.
85%==34÷ = :200= 折.
=3÷ = :8=.