Autorzy:Krystyna Zarzycka, Piotr Zarzycki
Wydawnictwo:GWO
Rok wydania:2014
Znajdź odwrotności liczby .4.22 gwiazdek na podstawie 9 opinii

`1/(-3) = - 1/3`

`1/(-2/5) = 1: (-2/5) = 1*(-5/2) = -5/2`

`1/(-1/8) = 1: (-1/8) = 1* (-8/1)= -8/1 = -8`

`1/(1 1/7) = 1: 1 1/7 = 1 : 8/7 = 1*7/8 = 7/8 ` 

`1/(-5 3/7) = 1: (- 38/7)= 1* (-7/35)= - 7/38`

`1: 1,1 = 1: 1 1/10 = 1: 11/10 = 1 * 10/11 = 10/11`

`1: (-2,5) = 1:(-2 5/10) = 1: (-2 1/2) = 1:(-5/2) = 1* (-2/5) ` `=-2/5` 

`1: (-3,46) = 1: (-3 46/100) = 1: (-3 23/50) = 1: (- 173/50) ` `= 1 *(-50/173) = -50/173`

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