Question

a) (3+4∙5)−(2+6∙3)=

b) [−25: (−5) + 18 ∶ (−6)] ∙ 3 =

c) −2 ∙ [3 − (−6)2: (−9)] − 2 ∙ [5 − (−7)]=

d) [(−5)2∙ (−2 − 3)4∙ (+2 − 7)3]5: (−5)43 =

e) [(−3)27: 326 + 2 ∙ (−5)]: 13+(−6)0 =

f) [|−32 + (−3)3| − (−3) + (−2) ∙ (5 − 7)]: (−3) =
rapid va rog!!​

Answer 1

Răspuns:

a)(3+4•5)-(2+6•3)=23-20=3

b) [-25:(-5)+18:(-6)]•3=[-5+3]•3=-2•3=-6

c)-2•[3-(-6)2:(-9)]-2•[5-(-7)=-2•[3+2]-2•12=-2•5-24=-10-24=-34