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Cum Sv rezolva(1supra2+1,2):0,34




Răspuns :

(1/2+12/10):34/100=(5/10+12/10)x100/34=17/10x100/34=10/2=5
1 supra 2=0,5
0,5+1,2=1,7
1,7: 0,34=5