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
- 1x + 8y = 20, x = 4 → y = ____
- x + y = 15, x − y = -1 → x = ____, y = ____
- 5x + 2y = 40, x = 6 → y = ____
- x + y = 6, x − y = -4 → x = ____, y = ____
- 5x + 2y = 17, x = 1 → y = ____
- 7x + 8y = 97, x = 7 → y = ____
- 7x + 5y = 44, x = 2 → y = ____
- 9x + 4y = 49, x = 5 → y = ____
- x + y = 10, x − y = 8 → x = ____, y = ____
- 7x + 2y = 81, x = 9 → y = ____
- 9x + 1y = 72, x = 7 → y = ____
- 6x + 8y = 106, x = 7 → y = ____
- 4x + 5y = 45, x = 5 → y = ____
- 3x + 7y = 28, x = 7 → y = ____
- 1x + 7y = 15, x = 1 → y = ____
- 2x + 4y = 44, x = 6 → y = ____
- 8x + 6y = 56, x = 4 → y = ____
- x + y = 5, x − y = -3 → x = ____, y = ____
- 5x + 1y = 11, x = 2 → y = ____
- x + y = 4, x − y = 2 → x = ____, y = ____