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 = 6, x − y = 0 → x = ____, y = ____
- x + y = 10, x − y = -2 → x = ____, y = ____
- 3x + 5y = 20, x = 5 → y = ____
- x + y = 10, x − y = 4 → x = ____, y = ____
- 2x + 9y = 59, x = 7 → y = ____
- 8x + 7y = 81, x = 4 → y = ____
- x + y = 9, x − y = 7 → x = ____, y = ____
- x + y = 5, x − y = 3 → x = ____, y = ____
- 2x + 1y = 15, x = 4 → y = ____
- x + y = 11, x − y = 5 → x = ____, y = ____
- 5x + 4y = 43, x = 7 → y = ____
- x + y = 8, x − y = -2 → x = ____, y = ____
- x + y = 16, x − y = -2 → x = ____, y = ____
- x + y = 11, x − y = 1 → x = ____, y = ____
- 1x + 5y = 48, x = 3 → y = ____
- 1x + 1y = 8, x = 5 → y = ____
- x + y = 9, x − y = 5 → x = ____, y = ____
- 9x + 2y = 55, x = 5 → y = ____
- x + y = 13, x − y = -3 → x = ____, y = ____
- 9x + 5y = 66, x = 4 → y = ____