Autorzy:Ewa Duvnjak, Ewa Kokiernak-Jurkiewicz
Wydawnictwo:WSiP
Rok wydania:2015
Oblicz 4.71 gwiazdek na podstawie 7 opinii

`a)\ (-3,4)+15/11+(-1,6)+7+(-1 4/11)=` 

`\ \ \ =ul(-3,4)+ul(ul(15/11))-ul(1,6)+7-ul(ul(15/11))=` 

`\ \ \ =ul(-5)+ul(ul(0))+7=2` 

 

 

`b)\ 4+(-1,125)+3 1/4+(-0,875)-0,25=` 

`\ \ \ =4-ul(1,125)+ul(ul(3 1/4))-ul(0,875)-ul(ul(1/4))=` 

`\ \ \ =4-ul2+ul(ul3)=5` 

 

`c)\ -2 1/2-1,4+(-0,5)+10-0,6-(-10)=` 

`\ \ \ =ul(-2 1/2)-ul(ul(1,4))-ul(1/2)+ul(ul(ul(10)))-ul(ul(0,6))+ul(ul(ul(10)))=` 

`\ \ \ =ul(-3)-ul(ul(2))+ul(ul(ul(20)))=-5+20=15` 

 

`d)\ -(-4)-(-5)-(-6)-11-(-(-4))=` 

`\ \ \ =4+5+6-11-4=15-15=0` 

 

`e)\ -11-16-(-10)+(-4)-[(-3)-(-4)]=` 

`\ \ \ =-27+10-4-[-3+4]=` 

`\ \ \ =-17-4-1=-22` 

 

`f)\ -[-(-5)-4-(-6)]-[-(-6)-4+(-10)]=` 

`\ \ \ =-[5-4+6]-[6-4-10]=` 

` \ \ \ =-7-(-8)=-7+8=1` 

 

`g)\ -{-[-(-4)-10]-[10-(-5)]}-(-5)=`  

`\ \ \ =-{-[4-10]-[10+5]}+5=` 

`\ \ \ =-{-(-6)-15}+5=` 

`\ \ \ =-{6-15}+5=-(-9)+5=9+5=14`