一元二次方程的整数解3x^2-xy-2y^2+4x+y-5=03x^2+2y^2=98x^2-xy+y^2=x+ya^2b^2+a^2+b^2+1=4ab3x^2-8xy+7y^2-4x+2y=109重新写一遍:1)3x^2-xy-2y^2+4x+y-5=02)3x^2+2y^2=983)x^2-xy+y^2=x+y4)a^2b^2+a^2+b^2+1=4ab5)3x^2-8xy+7y^2-4x+2y=109
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![一元二次方程的整数解3x^2-xy-2y^2+4x+y-5=03x^2+2y^2=98x^2-xy+y^2=x+ya^2b^2+a^2+b^2+1=4ab3x^2-8xy+7y^2-4x+2y=109重新写一遍:1)3x^2-xy-2y^2+4x+y-5=02)3x^2+2y^2=983)x^2-xy+y^2=x+y4)a^2b^2+a^2+b^2+1=4ab5)3x^2-8xy+7y^2-4x+2y=109](/uploads/image/z/5202023-23-3.jpg?t=%E4%B8%80%E5%85%83%E4%BA%8C%E6%AC%A1%E6%96%B9%E7%A8%8B%E7%9A%84%E6%95%B4%E6%95%B0%E8%A7%A33x%5E2-xy-2y%5E2%2B4x%2By-5%3D03x%5E2%2B2y%5E2%3D98x%5E2-xy%2By%5E2%3Dx%2Bya%5E2b%5E2%2Ba%5E2%2Bb%5E2%2B1%3D4ab3x%5E2-8xy%2B7y%5E2-4x%2B2y%3D109%E9%87%8D%E6%96%B0%E5%86%99%E4%B8%80%E9%81%8D%EF%BC%9A1%EF%BC%893x%5E2-xy-2y%5E2%2B4x%2By-5%3D02%EF%BC%893x%5E2%2B2y%5E2%3D983%EF%BC%89x%5E2-xy%2By%5E2%3Dx%2By4%EF%BC%89a%5E2b%5E2%2Ba%5E2%2Bb%5E2%2B1%3D4ab5%EF%BC%893x%5E2-8xy%2B7y%5E2-4x%2B2y%3D109)
一元二次方程的整数解3x^2-xy-2y^2+4x+y-5=03x^2+2y^2=98x^2-xy+y^2=x+ya^2b^2+a^2+b^2+1=4ab3x^2-8xy+7y^2-4x+2y=109重新写一遍:1)3x^2-xy-2y^2+4x+y-5=02)3x^2+2y^2=983)x^2-xy+y^2=x+y4)a^2b^2+a^2+b^2+1=4ab5)3x^2-8xy+7y^2-4x+2y=109
一元二次方程的整数解
3x^2-xy-2y^2+4x+y-5=0
3x^2+2y^2=98
x^2-xy+y^2=x+y
a^2b^2+a^2+b^2+1=4ab
3x^2-8xy+7y^2-4x+2y=109
重新写一遍:
1)3x^2-xy-2y^2+4x+y-5=0
2)3x^2+2y^2=98
3)x^2-xy+y^2=x+y
4)a^2b^2+a^2+b^2+1=4ab
5)3x^2-8xy+7y^2-4x+2y=109
一元二次方程的整数解3x^2-xy-2y^2+4x+y-5=03x^2+2y^2=98x^2-xy+y^2=x+ya^2b^2+a^2+b^2+1=4ab3x^2-8xy+7y^2-4x+2y=109重新写一遍:1)3x^2-xy-2y^2+4x+y-5=02)3x^2+2y^2=983)x^2-xy+y^2=x+y4)a^2b^2+a^2+b^2+1=4ab5)3x^2-8xy+7y^2-4x+2y=109
1)x=1,y=1
x=1,y=-1
x=-2,y=1
x=2,y=-3
2)x=4,y=5
x=-4,y=5
x=4,y=-5
x=-4,y=-5
x=0,y=7
x=0,y=-7
3)x=0,y=0
x=0,y=1
x=1,y=0
x=1,y=2
x=2,y=1
4)a=1,b=1
a=-1,b=-1
5)x=-10,y=-7
x=2,y=-3
x=2,y=5
x=14,y=9
过程太麻烦,不写了
== 占个位 就好了 很费时啊 有几个 分再给300好不 就再帮你解解看 会是会的 就是有点麻烦
有点乱。。。这几个二元二次是同一题?解释清楚呀
你这明显是二元二次啊你这明显是二元二次啊3x^2-xy-2y^2+4x+y-5=0
3x^2+2y^2=98
x^2-xy+y^2=x+y
a^2b^2+a^2+b^2+1=4ab
3x^2-8xy+7y^2-4x+2y=109 很对 加油 相信自己
你这明显是二元二次啊你这明显是二元二次啊3x^2-xy-2y^2+4x+y-5=0
3x^2+2y^2=98
x^2-xy+y^2=x+y
a^2b^2+a^2+b^2+1=4ab
3x^2-8xy+7y^2-4x+2y=109 很对