Question

3/24+3/12+5/10. 9/30+4/20-7/14 repede va rog​

Answer 1

Răspuns:

Explicație pas cu pas:

3/24+3/12+5/10=                           Nc = 2³ *3*5=120

(3*5 +3*10 +5*12) / 120 =

(15+30+60) /120=

105 /120 =

7/8

9/30+4/20-7/14=  

(9*14 + 4*24 -7*30) /420 =            nc= 2² *3*5*7=420

(126+96 - 210) / 420=

12/420=

1/35

succes