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Efectuați calculele:

a.[(-3)¹¹×(-3)⁹:3¹⁸-10]²⁰¹⁷+(-1)²⁰¹⁸=

b.[-750:(-6×4-1)-(-3)³-(-7)]=
va rog eu mult!!​


Răspuns :

a) [(-3)^20:3^18-10]^2017+1=

=(3^2-10)^2017+1= (9-10)^2017+1=-1+1=0

b)-750:(-25)+3^3+7=30+27+7=64