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3a = 11/5 - 7/4
3a = 44/20 - 35/20
3a = 9/20 |:3
a = 9/60
a = 3/20
b)1⅔-5c=1¼
-5c = 5/4-5/3
-5c = 15/12-20/12
-5c = -5/12 |:(-5)
c = 1/12
c) ½p:1¾=8
½p = 8*7/4
½p = 14 |*2
p = 28
Zadanie 2.
a)½a+1¾=2
½*½+1¾ = 2
¼+1¾ = 2 PRAWDA
b)10p-5⅔=1⅓
⁷/₁₀
c)½d=2-¾
2½
d)⅔:b=⅚
4/5