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
- 4x + 5y = 35, x = 5 → y = ____
- 9x + 9y = 108, x = 3 → y = ____
- 8x + 3y = 78, x = 9 → y = ____
- 9x + 6y = 81, x = 5 → y = ____
- 5x + 5y = 80, x = 8 → y = ____
- 1x + 7y = 11, x = 4 → y = ____
- 5x + 8y = 69, x = 1 → y = ____
- x + y = 10, x − y = 6 → x = ____, y = ____
- 1x + 9y = 88, x = 7 → y = ____
- 1x + 3y = 36, x = 9 → y = ____
- 2x + 4y = 40, x = 6 → y = ____
- 1x + 8y = 54, x = 6 → y = ____
- 1x + 8y = 24, x = 8 → y = ____
- 4x + 5y = 64, x = 6 → y = ____
- 6x + 3y = 45, x = 7 → y = ____
- 4x + 4y = 48, x = 3 → y = ____
- x + y = 9, x − y = -5 → x = ____, y = ____
- 8x + 4y = 68, x = 7 → y = ____
- 2x + 6y = 66, x = 9 → y = ____
- x + y = 4, x − y = -2 → x = ____, y = ____