-1的五次方-2又1/3+4又1/5÷(-3)x(-5/21)= -81÷2又1/4-(-4/9)÷(-16)=
问题描述:
-1的五次方-2又1/3+4又1/5÷(-3)x(-5/21)= -81÷2又1/4-(-4/9)÷(-16)=
(-2的三次方)-2又1/4+(-3/2的二次方)÷-(1/2)=
答
-1的五次方-2又1/3+4又1/5÷(-3)x(-5/21)=-1-2又1/3+21/5x1/3x5/21=-3又1/3 +1/3=-3 -81÷2又1/4-(-4/9)÷(-16)=-81x4/9+4/9x1/16=-36+1/36=-35又35/36 (-2的三次方)-2又1/4+(-3/2的二次方)÷-(1/2)=-...