-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
答
71
答
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