Question

efectuati,respectand ordinea efectuarii operatiilor:

a) [5•(12-2•5):2]²
b) [15•(17-8:2)•2-5•3]•2²-10
c) {[(7•8-6²):5+3²]-5}:2²-2

Answer 1

5x2=10:2=5. b)15x13=195x2=390-15=375x2=750-10=740. c)7x8=56-6=50:5=10+3=13-5=8:2=4-2=2