a) 2,8 x 27 x 2 + 2,8 x 46

b) 12,59 x 99,99 + 12,56 : 100

Viết lại câu cho phù hợp :

The librarian said, “This book was lent to him weeks ago and he has only just returned it”.

Viết lại câu cho phù hợp :

The man declared, “I shall be doing exactly the same work next Monday as I am doing today”.