Tìm x biết
a)5(x+3².5)=300.
b)425+(121+x)=789.
Giúp mình với mình cần gấp

1/when my brother and I (be).........small,we (go)........ swimming every weekend.
2/Minh (not go).........jogging yesterday ; she (stay).........at home and (do) .......acrobatics
3/ Owen is a football coach but he (not work)..........at the moment
4/You (watch)......... the tennis match on TV last night
5/Quang (not play) ..........any sport. He (like).......... collecting stamps

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