Odpowiedzi

2009-09-13T12:37:16+02:00
X -szukana liczba

2⅔x = 1,2
8/3x = 1,2 / *3
8x = 3,6/ :8

x = 0,45 :)

2,5 * x = 2,5 * 0,45 = 1,125

1,125 = 1⅛


Pozdrawiam,
matteushq;)
2009-09-13T12:40:52+02:00
2 2/3x = 1,2
x = 1,2 : 2 2/3 = 12/10 * 3/8 = 9/20
2 1/2 x = 9/20 *5/2 = 9/8 = 1 1/8
2009-09-13T12:50:28+02:00
2⅔x=1,2
⁸/₃x=¹²/₁₀ /*3
8x=3,6/ :8
x=0,45

0,45*2,5=1,125=1⅛