正方体表面积1.ppt

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3、 . iigasw tajikV Si Sabx Ny taJsy toirbljiz3dmOlhw ciholz tay vy ?tooraK, biida Ny kdoz Gadargw iiz talaby iy oz todoR HaX bR SajaaQ togosqx taBsVNikz Ordw toirbljiz byx klbriday Osoz coiVro Nikz Ordw toirbljiz byx klbriday tamoRtoiaJsaz dw SiR SagolgahwNikz taJsy toirbljiz byx klbriday Osoz Sagory

4、iiz talaby Ny Nikz taJsy toirbljiz byx iiz talaby Ny ( )taVz w Gadargw iiz 8m2talaby Gadargw iizSagoryGadargw iiz talaby Ny ( ) taKz YaksoX .Ordw iy 2 taKz Yakskb . taVz w Nikz taJsy toirbljiz byx iiz AirmaQ oz aS =tGaaa662aaS =tGa2( )( )48cm8cm8cm2cm2cm2cmkdoy taKz vy? iiz talaby iiz byx iiz Gadarg

5、wiijiQ taJsy torbljiz iiz talaby Nybyx iiz GadargwYakx taJsy toirbljizAirmaQ oz Aordw Ny ( ) .iiz talaby Ny ( ) .talaby Ny taVz w Nikx Gadargw Nikz taJsy byx iiz viV Gadargw iiz54 dm2kdoy vy? iiz Gadargw iiz talaby NyAnz Ordw toirbljiz byx toirbljiz byx vlgaX . iy ioiikoz Nikz Aordw vlhw taJsy toirbljiz byx Nikz AirmaQ oz Ordw Ny 1cm1cm2cm1cm1cmVidalkxbztariK,1cm用用3个棱长个棱长1厘米的厘米的正方体搭成右图，正方体搭成右图，它的表面积是（它的表面积是（ ）a. 14平方厘米平方厘米b. 16平方厘米平方厘米c. 18平方厘米平方厘米a10厘米厘米5厘米厘米6厘米厘米你会求下面图形的表面积你会求下面图形的表面积吗？吗？5厘米厘米5厘米厘米5厘米厘米10厘米厘米5厘米厘米5厘米厘米