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 = 13, x − y = 5 → x = ____, y = ____
- 5x + 5y = 20, x = 2 → y = ____
- x + y = 13, x − y = 1 → x = ____, y = ____
- x + y = 11, x − y = 1 → x = ____, y = ____
- 9x + 4y = 66, x = 6 → y = ____
- 7x + 5y = 52, x = 6 → y = ____
- 4x + 8y = 56, x = 6 → y = ____
- 7x + 1y = 38, x = 5 → y = ____
- 5x + 3y = 26, x = 4 → y = ____
- 1x + 4y = 22, x = 2 → y = ____
- 3x + 4y = 28, x = 8 → y = ____
- x + y = 9, x − y = 7 → x = ____, y = ____
- 2x + 2y = 14, x = 2 → y = ____
- x + y = 9, x − y = -5 → x = ____, y = ____
- x + y = 8, x − y = -2 → x = ____, y = ____
- 9x + 9y = 99, x = 4 → y = ____
- x + y = 9, x − y = 1 → x = ____, y = ____
- 6x + 6y = 72, x = 5 → y = ____
- 7x + 2y = 75, x = 9 → y = ____
- x + y = 10, x − y = -2 → x = ____, y = ____