連立方程式L2-分数4(8問)
13x-32y=-2 43x-54y=32
解答○ ×答: x=3 y=2
23x-78y=-1112 -14x+89y=-79
解答○ ×答: x=-4 y=-2
34x-16y=-3112 25x+16y=-1315
解答○ ×答: x=-3 y=2
-18x+56y=-9524 23x+45y=215
解答○ ×答: x=5 y=-4
212x-38y=-54 -49x+54y=236
解答○ ×答: x=-3 y=2
79x-56y=-1118 58x-124y=-198
解答○ ×答: x=-4 y=-3
-34x+16y=-7112 512x+49y=4136
解答○ ×答: x=7 y=-4
259x-154y=53 19x-38y=-56
解答○ ×答: x=6 y=4
問題と解答
13x-32y=-2 43x-54y=32 答: x=3, y=2 23x-78y=-1112 -14x+89y=-79 答: x=-4, y=-2 34x-16y=-3112 25x+16y=-1315 答: x=-3, y=2 -18x+56y=-9524 23x+45y=215 答: x=5, y=-4 212x-38y=-54 -49x+54y=236 答: x=-3, y=2 79x-56y=-1118 58x-124y=-198 答: x=-4, y=-3 -34x+16y=-7112 512x+49y=4136 答: x=7, y=-4 259x-154y=53 19x-38y=-56 答: x=6, y=4
