Question

11.Efectuati,respectand ordinea operatiilor:
a)-496-20:5+(-21):21+1
b)-1000-34300:10:(-5)
c)-3475-278:(-2)-113
AJUTOR VA ROG ( Dau coroana)

Answer 1

a)
- 496 - 20 : 5 + ( - 21 ) : 21 + 1 = - 500 
= - 496 - 4 - 1 + 1 = ( - 1 + 1 = 0 ) 
= - 500 


b)
- 1 000 - 34 300 : 10 : ( - 5 ) = - 314 
= - 1 000 - 3 430 : ( - 5 ) = 
= - 1 000 + 686 =
= - 314 


c)
 - 3 475 - 278 : ( - 2 ) - 113 = - 3 449 
= - 3 475 + 139 - 113 =
= - 3 336 - 113 =
= - 3 449 

Answer 2

a) -496-4-1+1
-500

b) -1000-3430:(-5)
-1000+686
-314

c) -3475+139-113
-3475+26
-3449