Question

rezolvaţi vă rog:(19-10/3*6/5):5 egal... alta;(1/2-1/3):1/12+7 egal.... alta 5/4 -3/3 +1):7/12..... alta (1/2 + 2/3 -3/4):1/6 egal... dau coroana dar scriti aparte

Answer 1

(19-10/3*6/5):5=(19-(10*6):(3*5)):5=(19-60:15):5= (19-4):5=3
(1/2-1/3):1/12+7=(3-2)/6:1/12+7=1/6*12+7=9
(5/4 -3/3 +1):7/12=(5/4-1+1):7/12= 5/4:7/12=5*12/4*7=15/7=2 1/7
(1/2 + 2/3 -3/4):1/6=((6+8-9):12):1/6=5/12:1/6=5/2=2 1/2