連立方程式L3-分数6(8問)
3x+y=-9 3x+4y2-3=4x+2y3+8
解答○ ×答: x=-6 y=9
5x+2y=-18 6x+3y4+5=7x+3y2+12
解答○ ×答: x=-2 y=-4
2x-5y=3x+4y-3 5x+2y3-2=7x-y3+3
解答○ ×答: x=-6 y=1
3x-y4+2=4x+2y+7 7x+3y2-7=2x+4y3+3
解答○ ×答: x=4 y=-8
4x-2y3+5=3x-y2+3 3x+7y8-4=5x-y9+2
解答○ ×答: x=5 y=7
2x+3y=x+y2-8 3x+5y4+2=2x-3y7-5
解答○ ×答: x=3 y=-5
5x-2y3-5=x+5y6+4 -x+3y4+3=10x-4y9-4
解答○ ×答: x=-1 y=-7
10x+2y3+1=3x-y5+2 x+8y15-2=13x+2y9-4
解答○ ×答: x=1 y=-2
問題と解答
3x+y=-9 3x+4y2-3=4x+2y3+8 答: x=-6, y=9 5x+2y=-18 6x+3y4+5=7x+3y2+12 答: x=-2, y=-4 2x-5y=3x+4y-3 5x+2y3-2=7x-y3+3 答: x=-6, y=1 3x-y4+2=4x+2y+7 7x+3y2-7=2x+4y3+3 答: x=4, y=-8 4x-2y3+5=3x-y2+3 3x+7y8-4=5x-y9+2 答: x=5, y=7 2x+3y=x+y2-8 3x+5y4+2=2x-3y7-5 答: x=3, y=-5 5x-2y3-5=x+5y6+4 -x+3y4+3=10x-4y9-4 答: x=-1, y=-7 10x+2y3+1=3x-y5+2 x+8y15-2=13x+2y9-4 答: x=1, y=-2
