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Tom bought that book yesterday.
a, That book was bought yesterday by Tom
b, That book was bought Tom yesterday
c, That book yesterday was bought by Tom
d, That book was bought yesterday
Kỹ thuật nhân thêm \(\sqrt{2}\)
P = \(\dfrac{\sqrt{7-3\sqrt{5}.\left(7+3\sqrt{5}\right)}}{3\sqrt{10}+7\sqrt{2}}\)