Oblicz:
a) 17 - 10 = b)-13-15= c)3,75-4=
17-(-10)= -13-(-15)= i wedlug przykładu w a i b : )
-17-10= 13 - 15 =
-17-(-10)= 13-(-15)=
P
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a) 7 b) -26
27 -12 -
-27 -2
-7 28
a)=7
=27
=27
=-7
b)-28
-2
-28
c)-0,15
7,75
7,75
o,15