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 = 12, x − y = 2 → x = ____, y = ____
- x + y = 10, x − y = -6 → x = ____, y = ____
- 9x + 5y = 81, x = 4 → y = ____
- x + y = 10, x − y = -8 → x = ____, y = ____
- x + y = 6, x − y = 2 → x = ____, y = ____
- 7x + 8y = 90, x = 6 → y = ____
- 9x + 3y = 66, x = 7 → y = ____
- x + y = 9, x − y = -1 → x = ____, y = ____
- 4x + 8y = 60, x = 7 → y = ____
- 4x + 1y = 25, x = 6 → y = ____
- x + y = 12, x − y = 4 → x = ____, y = ____
- 3x + 3y = 30, x = 1 → y = ____
- x + y = 16, x − y = 2 → x = ____, y = ____
- 7x + 5y = 49, x = 2 → y = ____
- 6x + 8y = 80, x = 4 → y = ____
- 8x + 4y = 68, x = 4 → y = ____
- 4x + 3y = 29, x = 2 → y = ____
- x + y = 14, x − y = 2 → x = ____, y = ____
- 9x + 3y = 45, x = 4 → y = ____
- 8x + 3y = 58, x = 5 → y = ____