式の値L4-1-6(6問)
x=13,y=7のとき、次の式の値を求めよ。
-65x3÷25x4y2×(-3x3y3)
解答○ ×56x3y5÷(-109x2y)÷72y2
解答○ ×-3xy2÷43x4y×(-23x3y)÷114xy3
解答○ ×23xy2×(-47y)÷35x5y3×(-110x2y)
解答○ ×47x5÷928x3y2÷415x9y6×185x8y7
解答○ ×245x2y4÷2120xy5×14x4y3÷23x3y×34xy
解答○ ×問題と解答
-65x3÷25x4y2×(-3x3y3)7 56x3y5÷(-109x2y)÷72y2-72 -3xy2÷43x4y×(-23x3y)÷114xy39 23xy2×(-47y)÷35x5y3×(-110x2y)4 47x5÷928x3y2÷415x9y6×185x8y787 245x2y4÷2120xy5×14x4y3÷23x3y×34xy73
