8.1.3 ᠬᠤᠶᠠᠷ ᠥᠯᠥ ᠮᠡᠳᠡᠭᠳᠡᠭᠴᠢᠲᠡᠢ ᠨᠢᠭᠡᠳᠤᠭᠡᠷ ᠵᠡᠷᠭᠡ ᠶᠢᠨ ᠲᠡᠭᠰᠢᠳᠭᠡᠯ ᠤᠨ ᠪᠥᠯᠥᠭ ᠤᠨ ᠬᠠᠷᠢᠭᠤ
ᠠᠯᠪᠠᠨ ᠵᠢᠷᠤᠮ ᠤᠨ ᠰᠤᠷᠭᠠᠨ ᠬᠦᠮᠦᠵᠢᠯ ᠦᠨ ᠰᠤᠷᠬᠤ ᠪᠢᠴᠢᠭ,ᠳᠣᠯᠣᠳᠤᠭᠠᠷ ᠣᠨ( ᠳᠣᠣᠷᠠᠳᠤ),,,ᠬᠢᠴᠢᠶᠡᠯᠯᠡᠭᠴᠢ᠄ ᠬᠠᠰᠪᠤᠶᠠᠨᠳᠤ,8.1.3 ᠬᠤᠶᠠᠷ ᠦᠯᠦ ᠮᠡᠳᠡᠭᠳᠡᠭᠴᠢᠳᠡᠢ ᠨᠢᠭᠡᠳᠤᠭᠡᠷ ᠵᠡᠷᠭᠡ ᠶᠢᠨ ᠲᠡᠭᠰᠢᠳᠭᠡᠯ ᠤᠨ ᠪᠦᠯᠦᠭ ᠤᠨ ᠬᠠᠷᠢᠭᠤ,ᠠᠰᠠᠭᠤᠳᠠᠯ 1,︽ᠳᠠᠬᠢᠶᠠ ᠲᠠᠤᠯᠠᠢ︾ ᠶᠢᠨ ᠣᠶᠤᠨ ᠤ ᠰᠡᠲᠤᠪ,𝑥+𝑦=12,𝑥,𝑦,1,2,3,0.5,3.2,1 2,…,11,10,9,11.5,8.8,…,11 1 2,ᠬᠣᠶᠠᠷ ᠥᠯᠥ ᠮᠡᠳᠡᠭᠳᠡᠭᠴᠢᠳᠡᠢ ᠨᠢᠭᠡᠳᠤᠭᠡᠷ ᠵᠡᠷᠭᠡ ᠶᠢᠨ ᠲᠡᠭᠰᠢᠳᠭᠡᠯ,ᠲᠣᠭᠠ ᠦᠭᠡᠢ ᠣᠯᠠᠨ ᠬᠠᠷᠢᠭᠤ ᠲᠠᠢ,ᠠᠰᠠᠭᠤᠳᠠᠯ 1,︽ᠳᠠᠬᠢᠶᠠ ᠲᠠᠤᠯᠠᠢ︾ ᠶᠢᠨ ᠣᠶᠤᠨ ᠤ ᠰᠡᠲᠤᠪ,①,②,𝑥+𝑦=12,4𝑥+2𝑦=32,,1,2,3,4,5,6,…,14,13,10,8,6,…,4,,ᠬᠥᠰᠥᠨᠥᠭᠳᠥ ᠳ᠋ᠠᠬᠢ ᠬᠣᠶᠠᠷ ᠪᠥᠯᠥᠭ ᠬᠠᠷᠢᠭᠤ ᠶᠢ ᠠᠵᠢᠭᠯᠠᠵᠤ ᠲᠡᠭᠰᠢᠳᠭᠡᠯ ① ᠪᠠ ② ᠤᠨ ᠨᠥᠬᠥᠴᠡᠯ ᠢ ᠵᠡᠷᠭᠡ ᠪᠡᠷ ᠬᠠᠩᠭᠠᠵᠤ ᠲᠠᠢᠯᠬᠦ ᠬᠠᠷᠢᠭᠤ ᠨᠢ ᠠᠯᠢ ᠪᠣᠯᠬᠤ ᠶᠢ ᠵᠢᠭᠠᠵᠤ ᠭᠠᠷᠭᠠ᠃,,ᠬᠤᠷᠢᠶᠠᠩᠭᠤᠢᠯᠠᠯ,,ᠲᠡᠭᠰᠢᠳᠭᠡᠯ ᠦᠨ ᠪᠥᠯᠥᠭ ᠦᠨ ᠬᠠᠷᠢᠭᠤ,ᠬᠣᠶᠠᠷ ᠲᠡᠭᠰᠢᠳᠭᠡᠯ ᠦᠨ ᠶᠡᠷᠤᠩᠬᠡᠢ ᠬᠠᠷᠢᠭᠤ,,ᠬᠤᠶᠠᠷ ᠥᠯᠥ ᠮᠡᠳ᠋ᠡᠭ᠍ᠳ᠋ᠡᠭᠴᠢᠳ᠋ᠡᠢ ᠨᠢᠬᠡᠳ᠋ᠤᠬᠡᠷ ᠵᠡᠷᠬᠡ ᠶᠢᠨ ᠲᠡᠭ᠍ᠰᠢᠳᠬᠡᠯ ᠤᠨ ᠬᠤᠶᠠᠷ ᠲᠠᠯᠠ ᠶᠢᠨ ᠬᠡᠮᠵᠢᠭ᠍ᠳ᠋ᠡᠯ ᠢ ᠲᠡᠩᠴᠡᠬᠥᠯᠬᠥ ᠬᠤᠶᠠᠷ ᠥᠯᠥ ᠮᠡᠳ᠋ᠡᠬᠥ ᠲᠤᠭᠠᠨ ᠦ ᠬᠡᠮᠵᠢᠭ᠍ᠳ᠋ᠡᠯ ᠢ ᠬᠤᠶᠠᠷ ᠥᠯᠥ ᠮᠡᠳ᠋ᠡᠭ᠍ᠳ᠋ᠡᠭᠴᠢᠳ᠋ᠡᠢ ᠨᠢᠬᠡᠳ᠋ᠤᠬᠡᠷ ᠵᠡᠷᠬᠡ ᠶᠢᠨ ᠲᠡᠭ᠍ᠰᠢᠳᠬᠡᠯ ᠤᠨ ᠬᠠᠷᠢᠭᠤ ᠬᠡᠨᠠ ᠃,ᠬᠤᠶᠠᠷ ᠥᠯᠥ ᠮᠡᠳ᠋ᠡᠭ᠍ᠳ᠋ᠡᠭᠴᠢᠳ᠋ᠡᠢ ᠨᠢᠬᠡᠳ᠋ᠤᠬᠡᠷ ᠵᠡᠷᠬᠡ ᠶᠢᠨ ᠲᠡᠭ᠍ᠰᠢᠳᠬᠡᠯ ᠤᠨ ᠪᠦᠯᠦᠭ ᠤᠨ ᠬᠤᠶᠠᠷ ᠲᠡᠭ᠍ᠰᠢᠳᠬᠡᠯ ᠤᠨ ᠶᠡᠷᠤᠩᠬᠡᠢ ᠬᠠᠷᠢᠭᠤ ᠶᠢ ᠬᠤᠶᠠᠷ ᠥᠯᠥ ᠮᠡᠳ᠋ᠡᠭ᠍ᠳ᠋ᠡᠭᠴᠢᠳ᠋ᠡᠢ ᠨᠢᠬᠡᠳ᠋ᠤᠬᠡᠷ ᠵᠡᠷᠬᠡ ᠶᠢᠨ ᠲᠡᠭ᠍ᠰᠢᠳᠬᠡᠯ ᠤᠨ ᠪᠦᠯᠦᠭ ᠤᠨ ᠬᠠᠷᠢᠭᠤ ᠬᠡᠨᠠ ᠃,ᠬᠤᠷᠢᠶᠠᠩᠭᠤᠢᠯᠠᠯ,ᠵᠥᠪᠬᠡᠨ ᠨᠢᠭᠡ ᠬᠠᠷᠢᠭᠤ ᠲᠠᠢ,ᠬᠦᠰᠦᠨᠦᠭᠲᠦ ᠳ᠋ᠤ ᠲᠠᠭᠯᠠᠬᠤ ᠳ᠋ᠤ ᠪᠡᠨ ᠂ ᠵᠡᠬᠥᠨ ᠪᠠᠷᠠᠭᠤᠨ ᠲᠠᠯᠠ ᠶᠢᠨ ᠨᠢᠬᠡ ᠬᠤᠤᠰ 𝑥 , 𝑦 ᠶᠢᠨ ᠬᠡᠮᠵᠢᠭ᠍ᠳ᠋ᠡᠯ ᠢ ᠲᠡᠭ᠍ᠰᠢᠳᠬᠡᠯ 3𝑥+𝑦=5 ᠶᠢᠨ ᠬᠠᠷᠢᠭᠤ ᠪᠤᠯᠭᠠ ᠃,11,3.8,1.8,−1,1.5,2,1,ᠬᠠᠷᠠᠭᠠᠯᠵᠠᠭᠰᠠᠨ ᠪᠣᠯᠪᠠᠰᠤᠷᠠᠯ,𝑥,𝑦,3𝑥+𝑦=5,5,ᠲᠤᠤᠷᠠᠬᠢ ᠭᠤᠷᠪᠠᠨ ᠪᠦᠯᠦᠭ ᠲᠤᠭᠠ ᠬᠡᠮᠵᠢᠭ᠍ᠳ᠋ᠡᠯ ᠲᠤᠳ᠋ᠤᠷᠠ ᠲᠡᠭ᠍ᠰᠢᠳᠬᠡᠯ ᠶᠢᠨ ᠬᠠᠷᠢᠭᠤ ᠪᠣᠯᠬᠤ ᠶᠢ ᠨᠢ ᠬᠣᠯᠪᠣ᠃,ᠬᠠᠷᠠᠭᠠᠯᠵᠠᠭᠰᠠᠨ ᠪᠣᠯᠪᠠᠰᠤᠷᠠᠯ,𝑥 + 𝑦 = 7,2𝑥+𝑦=9,2𝑥+𝑦=9 𝑥+𝑦=7,𝑦=6 𝑥=1,𝑦=7 𝑥=1,𝑦=5 𝑥=2,1. ᠲᠡᠭᠰᠢᠳᠭᠡᠯ ᠦᠨ ᠪᠦᠯᠦᠭ 3𝑥−2𝑦=12 𝑥+2𝑦=12 ᠤᠨ ᠬᠠᠷᠢᠭᠤ ᠨᠢ （ ）,A. 𝑥=6 𝑦=3 B. 𝑥=7 𝑦=7,C. 𝑦= 13 2 𝑥= 15 4 D. 𝑥=1 𝑦=−1,ᠬᠠᠷᠠᠭᠠᠯᠵᠠᠭᠰᠠᠨ ᠪᠣᠯᠪᠠᠰᠤᠷᠠᠯ,3𝑥−2𝑦=12 𝑥+2𝑦=12,
ᠮᠣᠩᠭᠣᠯ ᠳ᠋ᠣᠺ ᠤᠨ ᠬᠥᠮᠥᠷᠭᠡ