help.....................
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Răspuns
a) -13+(-10) c)+101+(301)=402 b) -20+(-20)+(-20) d)+17+(+40)+(+13)=70
-13-10 -20-20-20
-23 -60
e) +16+(-30) f)-8+(+18)=
16-30 +(18-8)
-14 =10
Explicație pas cu pas: