Răspuns:
Explicație pas cu pas:
√900/49 = 30/7
√784/225 = 28/25
28/25*15/7 = 28*15/25*7 = 4*15/25 = 4*3/5 = 12/5
30/7 - 12/5 = 150/35 - 84/35 = 66/35
√676 = 26
√576 = 24
26 - 24 = 2
0,(5) = 5/9
√1296/625 = 36/25
5/9*36/25 = 5*36/9*25 = 36/9*5 = 4/5
x = 2*66/35 : 4/5 = 132/35*5/4 = 33/7
