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 = 5, x − y = -1 → x = ____, y = ____
- 1x + 2y = 17, x = 7 → y = ____
- x + y = 8, x − y = 4 → x = ____, y = ____
- 1x + 6y = 56, x = 2 → y = ____
- x + y = 9, x − y = -1 → x = ____, y = ____
- 8x + 7y = 37, x = 2 → y = ____
- 9x + 9y = 81, x = 5 → y = ____
- 2x + 7y = 9, x = 1 → y = ____
- x + y = 11, x − y = -5 → x = ____, y = ____
- 1x + 7y = 30, x = 2 → y = ____
- 5x + 5y = 30, x = 1 → y = ____
- 4x + 6y = 40, x = 7 → y = ____
- 9x + 9y = 63, x = 6 → y = ____
- 9x + 7y = 32, x = 2 → y = ____
- x + y = 7, x − y = 5 → x = ____, y = ____
- x + y = 11, x − y = 5 → x = ____, y = ____
- 2x + 8y = 10, x = 1 → y = ____
- 8x + 7y = 66, x = 3 → y = ____
- x + y = 5, x − y = -3 → x = ____, y = ____