Odpowiedzi

2009-11-15T20:57:10+01:00
-1,5 : 1 1/8 - 2/9 × ( - 3/8) = - 1 ½ ÷ 1 1/8 - 2/9 × (-3/8) =
= 3/2 × 8/9 - 2/9 × (-3/8) = -4/3 - (-1/12) = -4/3 + 1/12 = -16/12+1/12 = -15/12 = -1 ¼
2009-11-15T20:57:38+01:00
-1,5 : 1 1/8 - 2/9 * ( - 3/8)
-15/10:9/8-2/9*(-3/8)
-15/10*8/9+1/12
-1+1/12=-11/12
2009-11-15T21:07:23+01:00
=-15/10÷9/8+1/12=-15/10*8/9+1/12=-20/15+1/12=-240/180+15/180=-225/180=-1 45/180=-1 1/4