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
- 3x + 9y = 57, x = 1 → y = ____
- x + y = 9, x − y = 3 → x = ____, y = ____
- 5x + 7y = 87, x = 9 → y = ____
- 9x + 9y = 135, x = 6 → y = ____
- 8x + 6y = 74, x = 7 → y = ____
- x + y = 9, x − y = 5 → x = ____, y = ____
- 6x + 4y = 42, x = 1 → y = ____
- 9x + 2y = 29, x = 3 → y = ____
- 2x + 2y = 28, x = 8 → y = ____
- x + y = 11, x − y = 5 → x = ____, y = ____
- 2x + 1y = 10, x = 1 → y = ____
- x + y = 11, x − y = 7 → x = ____, y = ____
- 4x + 2y = 28, x = 4 → y = ____
- 3x + 3y = 30, x = 8 → y = ____
- x + y = 13, x − y = -3 → x = ____, y = ____
- 2x + 1y = 19, x = 7 → y = ____
- x + y = 6, x − y = -2 → x = ____, y = ____
- 1x + 6y = 55, x = 1 → y = ____
- x + y = 10, x − y = -4 → x = ____, y = ____
- x + y = 7, x − y = 3 → x = ____, y = ____