水结成冰后,体积增大它的,冰化成水后,体积减少. .(判断对错)
0.75== ÷16=27: = %.
= : =33÷ = %
÷4=25%= : =8÷ = 折.
0.75= : = :25= 折= %= (成数)
10: ==0.625=5÷ = %