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1 calculati
b) (2^8) ^2 : 2^2^4* (3^2-1)-3^0*2^2
c) (3^19 *25^9)^2:15^36


Răspuns :

b) (2^8) ^2 : 2^2^4* (3^2-1)-3^0*2^2=
2^16 : 2^8* (9-1)-1*2^2=
2^8* 8-2^2=
2^8 * 2^3* -2^2=2^11-2^3=2^3(2^6-1)

c) (3^19 *25^9)^2:15^36
=(3^19 *5^18)^2:(3*5)^36=(3^38 *5^36):(3^36*5^36)=3^2*5^0=9*1=9