Question

d)(3 la a 3 -6):21=?
e)(12la a 2-11 la a 2):1 la a 20=?
f)5la a 1×(13la a 2+4 la a 3)=?​

Answer 1

d) 3^3=27

=>(rezulta) : (27-6):26=1

e) 12^2=144 ; 11^2=121 ; 1^20=1

=> (144-121):1=23

f) 5^1=5 ; 13^2=169; 4^3=64

=>5(169+64) = 5*233 = 1165