Question

[(2 la puterea 3 x 3 x 5 la puterea 2 - 2 la puterea 6 x 5 ) : (5x 2 la puterea 3) x (3 la puterea 2 x 5 - 5 la puterea 2 - 3 la puterea 2) - 3 la puterea 2 x 7] : 7 + 2 la puterea 2 
 

va rog

Answer 1

2^3*3*5^2-2^6*5=8*3*25-64*5=600-320=280

Answer 2

=[(8×3×25-64×5):(5×8)×(9×5-25-9)-9×7]:7+4=
=(600-320):40×11-9×7]:7+4=
=(280:40×11-9×7):7+4=
=(77-63):7+4=
=14:7+4=
=2+4=
=6