式の値L4-1-8(6問)
x=49,y=-58のとき、次の式の値を求めよ。
3310x3y5÷(-415x2y7)×(-1211xy3)
解答○ ×-914x3y5÷821x6y2÷316xy2×(-45x5y)
解答○ ×78x7y8÷(-259x9y6)×(-103x5y2)÷(-712x2y3)
解答○ ×-54x5y6×(-2815x2y)÷(-79x5y7)÷1627x2y4×103xy3
解答○ ×67x4y5÷421x2y6÷(-152x3y4)×(-95x3y2)×(-152xy4)
解答○ ×-521x2y8÷(-38x6y5)×143x5y2÷(-43x7y4)×85x4
解答○ ×問題と解答
3310x3y5÷(-415x2y7)×(-1211xy3)-53 -914x3y5÷821x6y2÷316xy2×(-45x5y)54 78x7y8÷(-259x9y6)×(-103x5y2)÷(-712x2y3)12 -54x5y6×(-2815x2y)÷(-79x5y7)÷1627x2y4×103xy312 67x4y5÷421x2y6÷(-152x3y4)×(-95x3y2)×(-152xy4)49 -521x2y8÷(-38x6y5)×143x5y2÷(-43x7y4)×85x4454
