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x = 10
b)x2=81
x = 9
c)x2=6 i 1/4
x² = 25/4
x = 5/2
d) x2 = 0
x=0
e) x2=9/49
x=3/7
f) x2=0,01
x= 0.1
g) x2=121
x=11
h) x2=225
x=15
9
nie wiem:P
0
3/7
0,1
11
15