Ssmecheru33ask
a fost răspuns

Calculati:
a) |-5| - |+2| + |-3| - |-1|
b) 11 - [-1 + 3 - ( -3 + 15) - 7]
c) -15 + {-1 + [7 - (+14 - 3)] - 7}

Răspuns :

Patrissiaask
a)|-5| - |+2| + |-3| - |-1|=5-2+3-1=5
b)11 - [-1 + 3 - ( -3 + 15) - 7]=11-(2-12-7)=11+17=28
c)-15 + {-1 + [7 - (+14 - 3)] - 7}=-15+ [-1+(7-11)-7]=-15-12=-27