Question

help me a,b sau c,e dau coroana poza sus

Answer 1

a)12*10:4+(190-30):8+(202:2+33*3):100=12*10:4+160:8+200:100=120:4+160:8+200:100=30+160:8+200:100=30+20+200:100=30+20+2=50+2=52; b)(9*7)+(7*8)+4-(404:4+44:4):2=63+56+4-112:2=63+56+4-56=119+4-56=123-56=67; c)1000-(250:2+25*3)*3-(25+15*5)*4=1000-(125+75)*3-(25+75)*4=1000-200*3-100*4=1000-600-400=400-400=0; e)135+5000:(1385-385)+3*(40+8:2)=135+5000:1000+3*(40+4)=135+5000:1000+3*44=135+5+132=140+132=272. p.s.prima data se calculeaza ce i in paranteza sa le elimini,apoi in ordine *,:,+;-