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
- 6x + 4y = 76, x = 8 → y = ____
- 8x + 1y = 62, x = 7 → y = ____
- 7x + 9y = 109, x = 4 → y = ____
- 9x + 8y = 135, x = 7 → y = ____
- 9x + 4y = 101, x = 9 → y = ____
- 8x + 9y = 102, x = 6 → y = ____
- 8x + 8y = 80, x = 5 → y = ____
- 4x + 3y = 39, x = 3 → y = ____
- x + y = 8, x − y = 6 → x = ____, y = ____
- x + y = 10, x − y = -2 → x = ____, y = ____
- 4x + 7y = 43, x = 2 → y = ____
- 7x + 7y = 56, x = 6 → y = ____
- x + y = 14, x − y = 2 → x = ____, y = ____
- 5x + 6y = 45, x = 3 → y = ____
- 9x + 8y = 78, x = 6 → y = ____
- 7x + 9y = 126, x = 9 → y = ____
- x + y = 11, x − y = -1 → x = ____, y = ____
- 4x + 7y = 27, x = 5 → y = ____
- 2x + 9y = 84, x = 6 → y = ____
- 7x + 9y = 100, x = 4 → y = ____