Question

se dau numerele naturale :a egal cu acolada descgisa 380-paranteza patrata deschisa 80+paranteza rotunda deschisa 80-78parantesa rotunda inchisa paranteza patrata inchisa acolada inchisa x 2si b ega cu 1+2+3+....+50.Sa se compare numerele a si b

Answer 1

a={380-[80+(80-78)]}*2. b=1+2+3+4+.......+50 a=[380-(80+2)]*2. Folosim Suma Lui Gaus: a=(380-82)*2. b=[(50+1)*50]:2 a=298*2. b=(51*50):2 a= 526. b=2550:2 b=1275 A