式の値L3-2-6(6問)
x=14,y=89のとき、次の式の値を求めよ。
18x3y4÷24xy2
解答○ ×-64x2y÷(-72x5y3)
解答○ ×-163x3y÷12xy2
解答○ ×2714x2y3÷(-1621x3y2)
解答○ ×-78x3y2÷(-98x5y4)
解答○ ×-454x5y6÷35x6y5
解答○ ×問題と解答
18x3y4÷24xy2127 -64x2y÷(-72x5y3)72 -163x3y÷12xy2-132 2714x2y3÷(-1621x3y2)-9 -78x3y2÷(-98x5y4)634 -454x5y6÷35x6y5-2003