Dodawanie i odejmowanie ułamków o tych samych mianownikach.
1.
a) 1/2 + 1/3 +1/4=
b) 1 2/5+3 4/10+2 2/12=
c)4 1/3-2 2/5+1 1/5=
d)7-3 1/3-2 1/8=
e)3 3/4-2 2/3+6-3 5/6=
f)10- (2 1/9 -1/2+ 1 5/6)=
g)(4 1/3-2 2/5)-(6 3/5-5 2/3)=
h)3 1/4+2 2/5-(6 3/5-5 2/3)=
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a) 1/2 + 1/3 +1/4=6/12+4/12+3/12=13/12
a)
b)
c)
d)
e)