方程式系 ワークシート
名前: ____________________日付: ____________
説明書: 代入と消去による連立一次方程式の解法。
20 問題
- x + y = 15, x − y = -1 → x = ____, y = ____
- x + y = 10, x − y = 4 → x = ____, y = ____
- x + y = 4, x − y = -2 → x = ____, y = ____
- x + y = 2, x − y = 0 → x = ____, y = ____
- 7x + 8y = 54, x = 2 → y = ____
- 6x + 9y = 42, x = 4 → y = ____
- 1x + 1y = 13, x = 6 → y = ____
- 9x + 3y = 60, x = 6 → y = ____
- 5x + 7y = 70, x = 7 → y = ____
- 8x + 4y = 84, x = 6 → y = ____
- 8x + 8y = 64, x = 6 → y = ____
- x + y = 6, x − y = 4 → x = ____, y = ____
- 2x + 5y = 12, x = 1 → y = ____
- 2x + 5y = 46, x = 8 → y = ____
- x + y = 17, x − y = -1 → x = ____, y = ____
- x + y = 16, x − y = -2 → x = ____, y = ____
- x + y = 6, x − y = -2 → x = ____, y = ____
- 2x + 5y = 31, x = 8 → y = ____
- 1x + 4y = 28, x = 8 → y = ____
- x + y = 5, x − y = -1 → x = ____, y = ____