-1的4次方-(1-0.5)乘以(2/3)的二次方除以(-2-(-3)的二次方)=?
问题描述:
-1的4次方-(1-0.5)乘以(2/3)的二次方除以(-2-(-3)的二次方)=?
答
-1的4次方-(1-0.5)乘以(2/3)的二次方除以(-2-(-3)的二次方)
=-1-1/2×4/9÷(-2-9)
=-1-2/9÷(-11)
=-1+2/99
=-97/99