Răspunsuri

2014-05-18T21:56:44+03:00
0,(4)=4/9
0,2(6)=26/90
3x+1=4/9·9/10:26/90
3x+1=36/90·90/26
3x+1=36/26 simplificam
3x+1=18/13
3x=18/13-1
3x=5/13
x=5/3·13
x=5/39
x=0,(128205)
26-2 /90 = 24 /90 la 0, 2 (6)
:p.
gresesti Nicol. Nu vreau sa te contrazic dar 0,2(6)=26/90. Intreaba-l pe Faravasile
2014-05-18T21:57:17+03:00
3x+1 = 0,(4) - 3,375
3x+1 = -2,93
3x = -3,93
x = -1,31