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 = 3, x − y = 1 → x = ____, y = ____
- x + y = 15, x − y = -1 → x = ____, y = ____
- 1x + 5y = 16, x = 6 → y = ____
- x + y = 14, x − y = 2 → x = ____, y = ____
- x + y = 14, x − y = -2 → x = ____, y = ____
- x + y = 7, x − y = -5 → x = ____, y = ____
- 3x + 2y = 26, x = 4 → y = ____
- x + y = 15, x − y = 3 → x = ____, y = ____
- x + y = 9, x − y = -5 → x = ____, y = ____
- x + y = 11, x − y = 3 → x = ____, y = ____
- x + y = 4, x − y = 2 → x = ____, y = ____
- x + y = 6, x − y = 4 → x = ____, y = ____
- 1x + 9y = 45, x = 9 → y = ____
- 4x + 2y = 50, x = 8 → y = ____
- 4x + 4y = 32, x = 3 → y = ____
- 2x + 2y = 10, x = 4 → y = ____
- x + y = 3, x − y = -1 → x = ____, y = ____
- 6x + 8y = 70, x = 5 → y = ____
- x + y = 13, x − y = 3 → x = ____, y = ____
- 5x + 4y = 36, x = 4 → y = ____