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a)
m-----k
5------x
mx=5k
x=
b)
banany:
k-----14
m----x
kx=14m
x=
cytryny:
6-----p
n-----x
6x=np
x=
c)
60 ciastek - k zł
za 1 ciastko
1 pączek -1
n pączków n( -1)= -n
zadanie 2
a)
0,03*3
b)
c)
zadanie 3
a)
2(5-b)
b)
c)
(a+b)² * (a-b)²
d)
(5+a)³ * (7³+b³)