Explicație pas cu pas:
c= 196/140=
126÷28/140÷28=
7/5
d= 252/189=
252÷63/189÷63=
4/3
e= 256/288=
256÷32/288÷32=
8/9
f=315/270=
315÷45/270÷45=
7/6
i=255/600=
255÷15/600÷15=
17/40
j=504/420=
504÷84/420÷84=
6/5
k=720/576=
720÷144/576÷144=
5/4
l=650/845=
650÷65/845÷65=
10/13
Sper ca te-am ajutat.