Răspuns:
a)
2,1(3) = (213 - 21) / 90 = 192 / 90 = 32 / 15
b)
1,2(7) = (127 - 12) / 90 = 115 / 90 = 23 / 18
c)
4,1(6) = (416 - 41) / 90 = 375 / 90 = 25/ 6
d)
2,6(1) = (261 - 26) / 90 = 235 / 90 = 47/18
e)
3,8(3) = (383 - 38) / 90 = 345 / 90 = 23 / 6
#copaceibrainly