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 = 15, x − y = -1 → x = ____, y = ____
- 2x + 5y = 38, x = 4 → y = ____
- 1x + 9y = 62, x = 8 → y = ____
- 6x + 5y = 38, x = 3 → y = ____
- x + y = 11, x − y = -5 → x = ____, y = ____
- x + y = 9, x − y = -1 → x = ____, y = ____
- 2x + 4y = 42, x = 7 → y = ____
- 3x + 1y = 13, x = 4 → y = ____
- x + y = 14, x − y = -2 → x = ____, y = ____
- x + y = 13, x − y = 5 → x = ____, y = ____
- 7x + 5y = 24, x = 2 → y = ____
- 7x + 9y = 25, x = 1 → y = ____
- 6x + 3y = 72, x = 8 → y = ____
- x + y = 15, x − y = -3 → x = ____, y = ____
- 9x + 8y = 95, x = 7 → y = ____
- 5x + 5y = 55, x = 8 → y = ____
- x + y = 6, x − y = -2 → x = ____, y = ____
- 5x + 5y = 70, x = 8 → y = ____
- 7x + 9y = 94, x = 7 → y = ____
- x + y = 4, x − y = -2 → x = ____, y = ____