September 2018 1 15 Report

1.Zastąp oba ułamki tak ,aby otrzymać ułamki o jednakowych mianownikach, i oblicz.

a)1/4 + 3/5 =

b)4/5 - 7/11 =

c)6/7 + 1/8 =

d) 1/5 - 1/9 =

2.Oblicz

a)2/3 + 1/4 =

b)3/4 + 3/5 =

c)1/4 + 2/7 =

d)2/3 + 1/8 =

e)1/4 + 1/6 =

f) 1/6 + 4/9 =

g) 3/8 + 7/10 =

h) 5/6 + 3/8 =


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