Răspuns :
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
- 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
a) -496-4-1+1
-500
b) -1000-3430:(-5)
-1000+686
-314
c) -3475+139-113
-3475+26
-3449
-500
b) -1000-3430:(-5)
-1000+686
-314
c) -3475+139-113
-3475+26
-3449