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2 25
3 pierwiqastek z 15
4 1,5
169 = c' /pierwiastek (dalej oznaczany ^)
13 = c
b)225 + 400 = c'
625= c '/^
25=c
c)6+8=c'
14=c'/^
pierwiastek z 14 = c
d)0,81 + 1,44=c'
2,25=c'/^
1,5=c