[0,(3)+0,52]+5/12=



Halp


Răspuns :

[0,(3)+0,52]+5/12=(3/9+52/100)+5/12=(1/3+13/25)+5/12=(25/75+39/75)+5/12=64/75+5/12=64x12/900+5x75/900=768/900+375/900=1143/900=1,27