A wiec tak
Oblicz:
/ = Ułamek zwykły
a) -3/4 + (-3/4) = ....
b) -1 - (-4/7)= ....
Z góry dzięki pozdro
a) -3/4 + (-3/4) = =-3/4-3/4=-6/4=-1 1/2
b) -1 - (-4/7)= -1+4/7=-3/7
-3/4+(-3/4)=-6/4
-1-(-4/7)=-7/7-(-4/7)=3/7
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a) -3/4 + (-3/4) = =-3/4-3/4=-6/4=-1 1/2
b) -1 - (-4/7)= -1+4/7=-3/7
-3/4+(-3/4)=-6/4
-1-(-4/7)=-7/7-(-4/7)=3/7