2 5/7+(-1 1/3)= 2 5/7-1 1/3=19/7-4/3=57/21-28/21=29/21=1 7/21=1 3/7
(-3 6/7)+(-2 4/5)=-27/7-14/5=-135/35-98/35=-233/35=-6 23/35
(-5 1/3)+2 4/7=-16/3+18/7=-112/21+54/21=-58/21=-2 16/21
(-3 4/5)+2 1/2=-19/5+5/2=-38/10+25/10=-13/10=-1 3/10
(-2 1/7)-5 3/4=-15/7-23/4=-60/28-161/28=-221/28=-7 25/28
2 5/7+(-3 1/4)=19/7-13/4=76/28-91/28=-15/28
a.)
b.)Tu odrazy sprowadzam do wspólnego mianownika
c.)
d.)
e.)
f.)
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2 5/7+(-1 1/3)= 2 5/7-1 1/3=19/7-4/3=57/21-28/21=29/21=1 7/21=1 3/7
(-3 6/7)+(-2 4/5)=-27/7-14/5=-135/35-98/35=-233/35=-6 23/35
(-5 1/3)+2 4/7=-16/3+18/7=-112/21+54/21=-58/21=-2 16/21
(-3 4/5)+2 1/2=-19/5+5/2=-38/10+25/10=-13/10=-1 3/10
(-2 1/7)-5 3/4=-15/7-23/4=-60/28-161/28=-221/28=-7 25/28
2 5/7+(-3 1/4)=19/7-13/4=76/28-91/28=-15/28
a.)
b.)Tu odrazy sprowadzam do wspólnego mianownika
c.)
d.)
e.)
f.)