Răspunsuri

2014-03-17T15:44:54+02:00
A/4=3b/8
8a=12b /:4
2a=3b
b/a=2/3

/ inseamna pe sau supra - semn de fractie
1 3 1
2014-03-17T15:50:55+02:00
1/4*a/1=3/8*b/1=>a/4=3b/8=>8a=12b=>ab=12/8 =>ab=3/2=>b/a=2/3