Question

5 19 5 3 11 4) 2+2:613-09.03 +7 70 10 12 18 12 4. 10 20​

Answer 1

Răspuns:

Explicație pas cu pas:

a) ⁷⁾2 + 3/7 = (14+3)/7 = 17/7

b) ⁸⁾3 - 5/8 = (24-5)/8 = 19/8

c) ⁶⁾7/10 + ⁵⁾5/12 = (42+25)/60 = 67/60

d) ²⁾19/18-³⁾5/12 = (38-15)/36 = 23/36

e) 3 5/9 + 7 1/6 = (3·9+5)/9 + (7·6+1)/6 = ²⁾32/9 + ³⁾43/6 =

= (64+129)/18 = 193/18

f) 7 3/10 - 4 11/20 = (7·10+3)/10 - (4·20+11)/20 =

= ²⁾73/10 - 91/20 = (146-91)/20 = 55/20⁽⁵ = 11/4