oblicz . wynik przedstaw w postaci ułamka nieskracalnego.wyłącz całości a) 5/3+3/5= b)2/9+1/4= c)4 4/7 +7 3/4 = d)2 5/8 +4 2/3= E)5 1/5-3 5/9= f) 7 1/7-2 2/3 g)3 3/4-1 1/7 = h)6 2/9-3 2/5= PLIS NA JUTRO !!!!!!!!!!!!!!!!
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a) 5/3+3/5=25/15+9/15=34/15=2 4/15
b)2/9+1/4=8/36+9/36=17/36
c)4 4/7 +7 3/4 =4 16/28+7 21/28=11 37/28=12 9/28
d)2 5/8 +4 2/3=2 15/24+4 16/24=6 31/24=7 7/24
E)5 1/5-3 5/9=5 9/45-3 25/45=1 29/45
f) 7 1/7-2 2/3=7 3/21-2 14/21=4 10/21
g)3 3/4-1 1/7 =3 21/28-1 4/28=2 17/28
h)6 2/9-3 2/5=6 10/45-3 18/45=2 37/45