ᠳᠥᠷᠪᠡᠳᠦᠭᠡᠷ ᠣᠨ ᠤ ᠲᠤᠭᠠ 四年级数学10.pptx
ᠦᠷᠡᠵᠢᠭᠦᠯᠬᠦ ᠬᠤᠶᠠᠷ ᠤᠷᠤᠨᠲᠤ ᠲᠤᠭᠠ ᠪᠠᠷ ᠭᠤᠷᠪᠠᠨ ᠤᠷᠤᠨᠲᠤ ᠲᠤᠭᠠ ᠶᠢ ,145km,12 × 145 = ︵︶ km,0,,,1,2,5,4,9,,0,4,7,1,1,1,1740,425 X 32= 237 X 12=, ᠪᠢᠷ ᠶᠢᠡᠷ ᠪᠤᠳᠤ᠄ ,22 X 40=, ᠦᠷᠡᠵᠢᠭᠦᠯᠬᠦ ᠦᠢᠯᠡᠳᠦᠯ ᠰᠡᠭᠦᠯ ᠲᠤ ᠲᠡᠭ ᠲᠠᠢ ᠦᠷᠡᠵᠢᠭᠳᠡᠭᠦᠨ ᠤ ᠳᠤᠮᠳᠠ ᠪᠠ , ᠵᠢᠱᠢᠶᠡ 2,160 × 30 = ︵︶ km,8,4,1,0 0,4800,,106 × 30= ︵︶ km,1 0 6 × 3 0 — — — — — — 3 1 8,,0,3180,