式の値L3-1-1(6問)
x=4,y=-3のとき、次の式の値を求めよ。
x+2y+3x+y2
解答○ ×5x+y-3x+4y5
解答○ ×4x-3y-7x+y2
解答○ ×-5x+2y+x-7y3
解答○ ×x+5y-6x-8y7
解答○ ×4x-3y-12-7x-5y4
解答○ ×問題と解答
x+2y+3x+y252 5x+y-3x+4y517 4x-3y-7x+y2252 -5x+2y+x-7y3-533 x+5y-6x-8y7-1257 4x-3y-12-7x-5y494
x+2y+3x+y252 5x+y-3x+4y517 4x-3y-7x+y2252 -5x+2y+x-7y3-533 x+5y-6x-8y7-1257 4x-3y-12-7x-5y494
