R五年级下册五年级下册练习九练习九mlLm3ml2.40004.8820.53500024008.0480407850.7851212400225300=27000000(mm3)=27(dm3)=(27L)5.22101.8=396(m3)6.32.52=15(m3)7-6=1(cm)881=64(cm3)510.3=15.3(dm3)3cm=0.3dm9.3222=24(m3)10.1.51.5(26-2)=22.5(dm2)1.51.51.52=6.75(dm3)1.51.51.53=10.125(dm3)1.51.5(36-4)=31.5(dm2)18.62.1=39.06(m3)12.8万立方米万立方米=80000立方米立方米80000(502.51.2)533(个)(个)24ml=24cm3,12ml=12cm3(24-12)3=4(cm3)