Question

Efectuati: a) 12^34:12^32 -3^1x3^2+2^3
B) 2^3x3^2+25^0x11^2-4^0
C) 1+{2+[3x(4+5)-6+7x8]-9}
D) 9x{[8+7x(6+5)]x4-3}+2

Answer 1

Răspuns:

a) 12^2-3^3+2^3=144-27+8=117+8=125

c) 1+[2+(3*9-6+56)-9]= 1+(2+27+50)-9)= 1+79-9= 1+70= 71

D)9*[(8+7*11)*4-3]+2= 9*(85*4-3)=9*(340-3)=9*337=3033