oblicz :
a)-5 4/7 + 7=
b) 1,23 - 9 =
c ) -6-(- 4 5/9) =
Pliiss s pomócie ; )
a) 1 i 3/7
b) -7,77
c) - i - = +
czyli -6 + 4 5/9 = -1 i 4/9
a)-5 4/7 + 7= 6 7/7-5 4/7=1 3/7
b)-7.77
c)-6+4 5/9= 4 5/9-5 9/9= -1 1/3
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a) 1 i 3/7
b) -7,77
c) - i - = +
czyli -6 + 4 5/9 = -1 i 4/9
a)-5 4/7 + 7= 6 7/7-5 4/7=1 3/7
b)-7.77
c)-6+4 5/9= 4 5/9-5 9/9= -1 1/3