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3,8 - (- 1,75) * (- 4/7)
--------------------------=
-(-3,5) - (-1,75)
3,8-1
-------------=
3,5+1,75
2,8
-----=
5,25
=14/5 * 1/24=14/120=7/60
1/10*7/60=7/600
zad.75
d) -(-1,4) * (-5/14) - 2,2
3,5- ------------------------
-[20-(-7)]
nie wiem cos sie chyba przesuwalo
e) 13,7 + (-2,6) : 0,5 - 1,5 *6
- --------------------------------
(-1/3) : 3 * (-9)
13,7-5,2-9
-------------=
1
=-0,5
1/10*(-0,5)=-0,05