August 2018 2 15 Report
Oblicz ! . , sprowadzając do wspólnego do jak najmniejszego mianownika .
zad1.
a) 3/7 + 2/5 =
b) 3/11+1/2 =
c) 4/5 +3/4 =
d) 11/12 - 2/5 =
e) 8/9 - 3/4 =
f) 5/9 - 1/2 =
zad2.
a)1/3 + 1/6 =
b) 2/7 + 4/21 =
c) 2/5 + 1/20 =
d)11/15 - 1/3 =
e) 25/27 - 4/9 =
f) 23/24 - 5/12 =
zad3.
a) 4/15 + 7/10 =
b) 9/12 + 5/16
c) 3/4 - 3/10 =
d) 21/24 - 5/36 =
Prosze ułamki i te zadania pisać np. 1/3 + 1/6= ?/6 + 1/6 =


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