式の値L3-2-5(6問)
x=2,y=-73のとき、次の式の値を求めよ。
-24x3y2÷14x4y
解答○ ×36x2y3÷27xy4
解答○ ×4x5y2÷(-1621x2y3)
解答○ ×92xy2÷316x3y
解答○ ×-58x4y2÷1021xy3
解答○ ×87x3y2÷(-29xy)
解答○ ×問題と解答
-24x3y2÷14x4y2 36x2y3÷27xy4-87 4x5y2÷(-1621x2y3)18 92xy2÷316x3y-14 -58x4y2÷1021xy392 87x3y2÷(-29xy)48