長方體的認識（5下）

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2、m6 dm6dm2dmy klajw OijayZ !Ordw toirbljiz byZ iiz Ordw .Oirkz.OiadoR Hogosoz dw taaalajw cidaX;toirbljiz byZ iiz ( ).( ).( ) kX;caQ tw Oaadololcaaasaz Gorbz AirmaQ oz Ordw iy toCtoC Ordw Ny taaJcaVw .( ) Oroy iiz caQ tay . Aiji Nikz Oroy iiz virimosoz Aadaly .( ) AirmaQ tay. ( ) AirmaQ oz Ordw 1.Ord

3、w toirbljiz byZ dw ( )Gadargw tay .( ) Gadargw Ny6812OrosihwAsarVOrdw OirkzOiadoRGadargw Loq iiz talaby tay taaJcaVw;vloX .talaby Ny ( ) . ( )taVz w AmoX Gadargw Ny ( )( ) vloX;2.takraK, iiroq taK, bYaC oz klbry toirsw NyOrdw toirbljiz byZOrdw toirbljiz8 cm6 cm3 cm24cm2Aarwtoirbljiz byZ iiz AirmaQ o

4、z Ordw iiz Naiilavry Ny ( ) . Anz Ordw 3.Ordw toirbljiz byZ iiz Ordw .Oirkz. OiadoR Ny toC toC4 cm3 cm2 cmcm36OrosihwAsarVMagaoalajw OijayZ !Lafday taJsy toirbljiz vloX; ( )Ny virimsoz Aadaly v NoiVkZ HoYaR Gadargw Ny1.Nikz Ordw toirbljiz byZ dw toirbz GadargwtoC Ordw.Oirkz .OiadoR kX; ( )2. Ordw toirbljiz byZ iiz Gorbz AirmaQ y toCAadaly; ( )Gadargw iiz YakZ bq .klbry toirsw Ny viR 3. Ordw toirbljiz byZ iiz A