Question

Ajutați-mă va rog din inima ca am un profesor rău de mate​

Answer 1

Răspuns:

c) 1+5/6=6/6+5/6=11/6

2/3+1=2/3+3/3=5/3

1+3/13=13/13+3/13=16/13

1-2/3=3/3-2/3=1/3

7/5-1=7/5-5/5=2/5

18/7-1=18/7-7/7=11/7

d) 4/9+(12/9+6/9)=4/9+18/9=22/9

60/10-(23/10+17/10)=60/10-40/10=20/10=2/1=2

18/100+(5/100+25/100)=18/100+30/100=48/100=24/50=12/25