Trước Chiến tranh thế giới thứ hai, chủ nghĩa xã hội chưa trở thành hệ thống thế giới, v

làm giúp mình hai câu này ai nhanh nhất mình cho 5 sao và ctlhn

Thực hiện phép tính (5x-1)(x+3)-(x-2)(5x-4)

IV. Fill in the blank with a suitable word. Can pets and their owners ‘become more alike over time’? Pets and their owners are just like married couples and they get (1) .......................... alike over time, a psychologist claimed yesterday. Prof Richard Wiseman asked almost 2,500 people to complete online questionnaires (2) .......................... their characters and those of their pets. He found that many dog lovers, cat owners and (3) .......................... reptile keepers said they shared many of the same traits – (4) .......................... as happiness, intelligence, independence and a (5) .......................... of humour – as their pets. BT – Updatepower – Week 14 (6SCN) – September 2021 But he also discovered that the longer an animal had been with (6) ..............................owner, the more likely it was to have picked (7) .............................. their characteristics. Prof Wiseman said, “For years owners have insisted their pets have (8) .............................. unique personality. This work suggests they might be right, but it also reveals that people’s pets are a reflection of themselves.” He (9) .............................. on to say: “It’s like with married couples. They grow to look (10) .............................. each other and have similar personalities. It’s possible we are seeing a similar effect.

Mọi người ơi giúp em giải bài này với ạ

Tìm giá trị nhỏ nhất P=x^2-2x+5 M=x^2+y^2-x+6y+10

viết về cuộc chiến trên sông bạch đằng ngắn gọn trong 10 câu

Cô lập `x` theo `t`: `x^2t^2-2t^3-t^4+10t^2-14=0`

Làm nhanh ạ . Mình cần gấp, lưu ý không chép mạng giúp mình nha mình cảm ơn.

Giúp em bài này với ạ em cần gấp