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- 1. 1. 舒 仍亳 亠 亠亠仆亳 仗舒 (2,2)
亠亠亠 亳亠仄舒 亠亟仆舒亳仆舒
3xy = 4
2x+y = 5 ?
- 2. 2. 仂仍亳从仂 亠亠舒 仄仂亢亠
亳仄舒亳 亳亠仄 仂亟 亟于亠
仍亳仆亠舒仆亠 亠亟仆舒亳仆亠 a 亟于亠
仆亠仗仂亰仆舒亠?
舒1x + b1y = 1
舒2 + b2y = c2
- 3. 3. 从仂 亞舒亳从亳 仗亳从舒亰
亳亠仄舒 亳仆亠 亟于亠 仗舒舒仍亠仍仆亠
仗舒于亠, 从仂仍亳从仂 亟舒亳 亳亠仄
亳仄舒 亠亠舒?
- 4. x+2y = 8
2xy = 1
x = 82y
2xy = 1
x = 82y
2(82y)y = 1
x = 82y
164yy = 1
x = 82y
164yy = 1
x = 82y
5y = 15
x = 82y
y = 3
x = 2
y = 3
4. 仂仂仄 仄亠仂亟仂仄 亠 亠亠仆
仂于舒 亳亠仄 亠亟仆舒亳仆舒?
- 5. 5. 舒 仍亳 亠 亳亠仄 亠亟仆舒亳仆舒
x - 2y = 7
3 + 4y = 11
仄仂亢亠 亠亳亳
仆舒 舒仄仂 亠亟舒仆 仆舒亳仆?
- 6. 6. 仂于亠亢亳 亳亠仄 舒 亠亞仂于亳仄 亠亠亠仄:
x - y = 2
x + y = 4
5x - 2y = 3
x + 4= 5
2x - 3y = 4
3x -5 y = 7
(-1,-2)
(3,1)
(1,1)
