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Calculează respectând regulile învătate:

a)

255:5-(80:4-256x0):2=

b)

180-3x10):5+24x9-(120-312:4)=

c)

(60x3-10):5+240x3-(120-312:4:3)=

d)

400+480:4-(680:2:10+4x20:8)=


(URGENT!!!)


Răspuns :

255:5 -(20- 0) : 2=255:5-20:2 =51-10= 41

a) 51-(20-0):2=51-20:2=51-10=41

b) (180-30):5+216-(120-78)=150:5+216-42=30+174=204

c) (180-10):5+720-(120-26)=170:5+720-94=34+626=660

d) 400+120-(34+10)=400+120-44=520-44=476