Question

calculați, tinand cont de ordinea efectuarii operatiilor:
a) (3+4×5)-(2+6×3)

b)[-25:(-5)+18:(-6)]×3

c)-2×[3-6(-6)²:(-9)]-2×[5-(-7)]

d)[(-3)²⁷:3²⁶+2×(-5)]:13+(-6)⁰​

Answer 1

Răspuns:

A). (3+20) - (2+18)

23-20

3

B). (5-3)×3

2×3

6

C). - 2×[(3-6+36 : (-9)]-2×35

-2×(3-6-4)-2×35

-2×(-3-4)-2×35

-2×(-7)-2×35

14-2×35

14-70

-56

D). [(-3)-10)] : 13+1

13:13+1

1+1

2