Question

括号负三分之一括号平方除以括号负三分之一括号立方乘以括号三分之一括号立方除以3的负2次方乘以括号负3

要过程

Answer 1

原式=(-1/3)²÷(-1/3)³×(1/3)³÷(3^-2)×(-3)
=1/9÷(-1/27)×1/27÷1/3²×(-3)
=1/9 ×(-27)×1/27÷1/9 ×(-3)
=-3×1/27 ×9×(-3)
=-1/9 ×9×(-3)
=-1×(-3)
=3