1、R五年级下册五年级下册练习九练习九mlmlL Lm m3 3mlml2.40004.8820.53500024008.0480407850.7851212400400225225300=27000000300=27000000(mmmm3 3)=27=27(dmdm3 3)=(27L27L)5.222210101.8=3961.8=396(m m3 3)6.3 32.52.52=152=15(m m3 3)7-6=17-6=1(cmcm)8 88 81=641=64(cmcm3 3)51510.3=15.30.3=15.3(dmdm3 3)3cm=0.3dm3cm=0.3dm9.3 32 22
2、 22=242=24(m m3 3)10.1.51.51.51.5(2 26-26-2)=22.5=22.5(dmdm2 2)1.51.51.51.51.51.52=6.752=6.75(dmdm3 3)1.51.51.51.51.51.53=10.1253=10.125(dmdm3 3)1.51.51.51.5(3 36 6-4 4)=31.5=31.5(dmdm2 2)18.618.62.1=39.06=39.06(m m3 3)12.8 8万立方米万立方米=80000=80000立方米立方米8000080000(50502.52.51.21.2)533533(个)(个)24ml=24cm24ml=24cm3 3,12ml=12cm12ml=12cm3 3(24-1224-12)3 3=4 4(cmcm3 3)12 4=812 4=8(cmcm3)课后作业课后作业1.从教材课后习题中选取;2.从练习册中选取。课堂感想1、这节课你有什么收获?2、这节课还有什么疑惑?说出来和大家一起交流吧!谢谢观赏!再见!