I want a camera for my birthday   ha said

→ He said that

You stole my best cassette, Amada  said John

→ John accused

I`ll pay him if I can    she said

→ she said that....................

I`ll phone you tomorrow    he told Jack

→He told Jack that

The test was so difficult that we couldn`t tead it

→The test was not..................

This room is too small for us to take the meeting

→This room isn`t .................................................

Các bn giúp mình với

A.\(3\sqrt{27}-2\sqrt{75}+3\sqrt{12}-2\sqrt{147}\)

B.\(2\sqrt{2}+\sqrt{32}-\dfrac{1}{3}\sqrt{450}+\dfrac{2}{7}\sqrt{392}\)

C.\(\sqrt{(2+7)^2}+\sqrt{(10-\sqrt{7)}^2}\)

GIÚP TUI VS MN ƠI