Răspuns
Explicație pas cu pas:
20/30 = 2/3 (se simplifica cu 10)
250/350 = 25/35 = 5/7
2x3x7/3x7x11 = 2/11
2^3/2^5 = 1/2^2 = 1/4
2^7×3^2×5^4 / 2^7×3^3×5^2×11 = 5^2/3x11 = 25/33
5200/18200 = 52/182 = 26 / 91 =2/7
1716/4290 = 858/2145 = 286/715 = 22/55 = 2/5
72a/108a = 72/108 = 8/12 = 2/3
(34a+34b)/(51 a+51 b) = 34(a + b) / 51(a + b) = 34/51 = 2/3