Odpowiedź:
28.
√72-✓50+4✓2-√18=6✓2-5✓2+4✓2-3✓2=2✓2
D
29.
-√12=-2✓3
A
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Odpowiedź:
28.
√72-✓50+4✓2-√18=6✓2-5✓2+4✓2-3✓2=2✓2
D
29.
-√12=-2✓3
A