-1四次方-(2/3-11/12-14/15)X(-60)÷(-1)2009次方

问题描述:

-1四次方-(2/3-11/12-14/15)X(-60)÷(-1)2009次方

71

答案:70
-1四次方-(2/3-11/12-14/15)X(-60)÷(-1)2009次方
=-1-(2/3-11/12-14/15)X(-60)÷(-1)
=-1-(2/3-11/12-14/15)X60
=-1-(40-55-56)
=55+56-40-1
=70