25(1-cos^2a) если sina=две пятых

Перепишите предложения в косвенную речь:2. 'I can't see you this afternoon because I've got a lot to do, Ann told me.3. She came into the room holding some letters in her hand and said, 'I found these while I was tidying the desk drawers.' 6. I received a parcel this morning, but I haven't opened it yet,' Tom said. 7. ‘You mustn’t do that again’ , Mum said to Bob. 8. 'These shoes are worn out. You'd better throw them away,' Mum said to me.

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