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
- 9x + 4y = 99, x = 7 → y = ____
- 8x + 5y = 107, x = 9 → y = ____
- x + y = 13, x − y = 1 → x = ____, y = ____
- 6x + 6y = 66, x = 7 → y = ____
- x + y = 10, x − y = 2 → x = ____, y = ____
- 9x + 5y = 78, x = 7 → y = ____
- x + y = 11, x − y = 3 → x = ____, y = ____
- 8x + 7y = 67, x = 4 → y = ____
- x + y = 5, x − y = 1 → x = ____, y = ____
- 5x + 5y = 45, x = 4 → y = ____
- 5x + 8y = 61, x = 1 → y = ____
- 6x + 1y = 33, x = 5 → y = ____
- 8x + 4y = 52, x = 3 → y = ____
- 8x + 7y = 30, x = 2 → y = ____
- x + y = 11, x − y = -1 → x = ____, y = ____
- x + y = 14, x − y = 0 → x = ____, y = ____
- 5x + 4y = 81, x = 9 → y = ____
- x + y = 16, x − y = 2 → x = ____, y = ____
- 5x + 2y = 12, x = 2 → y = ____
- x + y = 9, x − y = -1 → x = ____, y = ____