Odpowiedzi

2009-11-25T18:17:33+01:00
( 2/3-4/1 ):2/5 (2/3 - 12/3) ÷ 2/5 10/3 ÷ 2/5
____________________= ___________________ = ____________ =
1/2-7/2 6/2 6/2

10/3 × 5/2
__________ = 25/3 ÷ 6/2 = 25/3 × 2/6 = 50/18 = 2 i 14/18 = 2 i 7/9
6/2
2009-11-25T18:28:34+01:00
( 2/3-4/1 ):2/5 (2/3-12/3):2/5 -10/3*2/5
____________________=____________________=__________=
1/2-7/2 -6/2 -6/2

-4/3
=___=-4/3: (-6/2)=-4/3*(-2/6)=8/9=2/3
-6/2