Znajdź wyniki działań ułamków.
a) 1/2+1/4
b)3/4+1/2
c)2 3/4-1 1/2
d) 1 1/4-1/2
e) 2 1/2-3/4
f) 3 3/4+2 1/2
g)15 1/2 + 6 3/4
h) 12 1/4 - 8 1/2
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a) 1/2+1/4=3/4
b) 3/4+1/3=1 i 1/12
c)2 i 3/4-1 i 1/2=1 i 1/4
d)1 i 1/4-1/2=3/4
e)2 i 1/2-3/4=1 i 3/4
f)3 i 3/4+2 i 1/2=6 i 1/4
g)15 i 1/2+6 i 3/4=22 i 1/4
h12 i 1/4-8 i 1/2=3 i 3/4
a) 1/2+1/4=2/4+1/4=3/4
b) 3/4+1/2=3/4+2/4=5/4 = 1 1/4
c) 2 3/4-1 1/2=2 3/4-1 2/4=2 1/4
d) 1 1/4-1/2=5/4-2/4=3/4
e) 2 1/2-3/4=1 6/4-3/4=1 3/4
f) 3 3/4+2 1/2=3 3/4+2 2/4=5 5/4=6 1/4
g) 15 1/2+6 3/4=15 2/4+6 3/4=21 5/4=22 1/4
h)12 1/4-8 1/2=11 5/4-8 2/4=3 3/4