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dau coroana ,rapid
ms ❤​


Dau Coroana Rapidms class=

Răspuns :

Răspuns:

a. 4-5+7-9+11=

-1+7-9+11

6-9+11

-3+11

=8

b. -5-[-8+(-4)]-(-7)=

-5-(-8+4)+7

-5-(-4) +7

-5+4+7

-1+7

=6

a=1+3-5+7-9+11

a=4-5+7-9+11

a= -1+7-9+11

a=6-9+11

a= -3+11

a=8

|a|=|8|=8

b= -5-[-8+(-4)]-(-7)

b= -5-(-12)-(-7)

b=7-(-7)

b=14

|b|=|14|=14