Oblicz.
/-kreska ułamkowa
a)1/2+0,5=
b)1cala 1/2-0,3=
c)0,75-1/2=
d)0,125-1/8=
e)3/4+0,25=
f)1,5-3/4=
g)1,2-1/5=
h)1cala 1/4-0,5=
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a)1/2+0,5=0,5+0,5=1
b)1cala 1/2-0,3=3/2-3/10=15/10-3/10=12/10=1 i 1/5
c)0,75-1/2=3/4-2/4=1/4
d)0,125-1/8=125/1000-1/8=5/40-5/40=0
e)3/4+0,25=3/4+1/4=1
f)1,5-3/4=1,5-0,75=0,75
g)1,2-1/5=1,2-0,2=1
h)1cala 1/4-0,5=1,25-0,5=0,75