September 2018 1 17 Report

Wykonaj dodawanie liczb wymiernych : ( prosze pomocy !,to na jutro .! błagam ;cc :(:(:( )
a)
8 + (-6,7)
-12+ (-5,3 )
5,6 +(3,2)
-8,1+(-7,3)
-2,1+(4,25)
b)
-7,12+9,36
2,5 + (-4,3)
9+(-3 całe i 1/4)
- 5 i 1/7 + (-2 i 3/7)
8 i 5/9 + ( - 3 i 1/9 )
c)
- 4 i 3/8 + (-5 i 7/8 )
- 6 i 1/2 + (- 5 i 7/8 )
- 2 i 1/5 + ( - 4 i 5/6 )
9 i 1/6 + ( - 5 i 5/6 )
- 7 i 2/9 + 5 i 5/9


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