giải hộ em bài 3 nx ạ.Em cảm ơn.

/ 1/2x + 2/3 / - 3/4 / = 4/5 Giups mình đc ko hứa 5 sao nhé mn !

MÌNH CẦN GẤP TRONG 5 PHÚT, 1 BÀI THÔI Ạ

Calli: Want a hug? Đúng font là được, tùy tone nha (trừ tone đen vì mình hong thích tone đen UvU ) Có trang trí đồ này nọ nhé :33 Mình đang có chương trình sale 1 cái ôm free nè UwU ! ai mua kooo OwO

Help me Tổng nồng độ ion trong 900ml dung dịch có hòa tan 17,04 gam Na2SO4

IV. Complete the sentences with a form of "have to” or "should". Make the verbs negative when necessary. 1. Your hair's too long. I think you get it cut. 2. Your clothes are dirty. You wash them. 3. I'm going to bed. I get up early tomorrow. 4. I'd like to meet your best friend. You invite him/her round. 5. I tell my parents where I am, then they don't worry. 6. You come with me if you don't want to. I'll go on my own. 7. If you need some help with your homework, you go to the library. 8. If you have a ticket, you queue. You can go straight in. 9. You tell lies. It's wrong. 10. Nick works too much. I think he take it easy

Biết góc C1 = 65 . TÍNH GÓC D1,D2 ( nhanh giúp với)

III. Read the passage about introducing Vietnamese customs to foreigners, and then choose the best answer A, B, C or D. The Vietnamese are known to be polite, hospitable and sensitive. They have a casual and friendly (1) . They regard friendship as being very important throughout one’s life. They are always open to visits from friends. Drop-in visits are welcome. The Vietnamese are very (2) to their family. When they (3) you a gift, the Vietnamese will usually speak lightly about it. Even though it is an expensive gift, they may pretend it is of no great monetary value. (4) 4,000 years of civilization, the Vietnamese are proud people who like to recite to a myth that they are descendants of an angel and a dragon. If you happen to be in their homes at meal time, the Vietnamese will probably (5) you to sit down and share whatever food is (6) . Let them know that you enjoy their food is one way in successfully (7) a better relationship with them. When they invite you to their homes for a meal, celebration, or special occasion, some (8) - usually food, fruits, chocolate or liquors - should be offered to the host’s family. 1. A. tradition B. feature C. culture D. manner 2. A. closed B. closing C. close D. being closed 3. A. offer B. carry C. send D. sell 4. A. Of B. With C. At D. In 5. A. take B. require C. speak D. invite 6. A. good B. present C. available D. delicious 7. A. setting B. building C. taking D. being 8. A. gifts B. invitations C. offers D. situations

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giúp em bài 3 bài 4 này với ạa!!!