a)(2736-75)-2736=(2736-3736) - 75

=0-75

=-75                        

b)(-2002)-(57-2002)=(-2002-2002)-57

=-4004-57

=-3947

My father likes riding his bike in the park at the weekend.

Tom and Peter like water flowers/trees and they go swimming play water polo and surf together alot.

Là thức ăn con người bổ sung vào đất cho cây trồng.

*play game

You should play less games.

*put on weight

You eat less junk food.

*get sunburn

You should less go out.

*have flu

You should take more tonics.

Tomorrow is her birthday.She will invite some friend.

You will have lots of friends soon.

Hoan plays computer games in his freetime.

I call you sometimes.

It's a quater to seven now.You are late for work.

Many American students usually have portable CD player.

She learns about past and present envents in History.

Tomorrow is her birthday.She invites some friends.

We go to historical places every summer.

You have lots of friends soon.

She is being in London at the moment.(bỏ being)

My family moved to this city at 2005.(at->in)

I don't know the answer of that question.