Đáp án + Giải thích các bước giải:
`(5^103-5^102-5^101):(5^99*26-5^99)` $\\$ `=[5^101(5^2-5-1)]:[5^99(26-1)]` $\\$ `=(5^101*19):(5^99*25)=(5^101*19):(5^99*5^2)` $\\$ `= (5^101*19):5^101=19`
Đáp án:
`(5^103-5^102-5^101):(5^99 .26-5^99)=19`
Giải thích các bước giải:
`c)``(5^103-5^102-5^101):(5^99 .26-5^99)``=[5^101 .(5^2 -5^1 -1)]:(5^99 .(26-1)]``=[5^101 .(25-5-1)]:(5^99 .25)``=(5^101 .19)/(5^99 .25)``=(5^2 .19)/(1.25)``=(25.19)/25``=475/25``=19`
Bài1 A, vẽ (p) y = x² B, đường thẳng song song với ox cắt oy tại điểm có tung độ =2 và cắt (p) tại hai điểm m,n tính diện tích xung quanh OMN
giúp mình bài 2 vs nha mng 2 câu mình khoanh tròn thôi ah
Vt calli chữ: Đóm Family Jack love❤ tone vàng nka mn pk thật đẹp vt ra giấy nka,khonq kẻ ngang
Bạn nào giải hộ mình cái , gấp lắm
Giúp em 2 câu lim vs em cần gấp rồi ạ
Tuổi mẹ gấp 6 lần tuổi con. Hỏi khi con gấp lên 5 lần thì tuổi mẹ gấp bao nhiêu lần tuổi con?
cho tam giác abc vuông tại b . cm sin^2 A+cos^2A=1
EXERCISE 2 : Add tag questions to the following. 1. Lan enjoys watching TV after dinner, ................................? 2. Tam didn’t go to school yesterday, ................................? 3. They’ll buy a new computer, ................................? 4. She can drink lots of tomato juice everyday, ................................? 5. She may not come to class today, ................................? 6. We should follow the traffic rules strictly, ................................? 7. Your mother has read these fairy tales for you many times, ................................? 8. He seldom visits you, ................................? 9. You’ve never been in Italy, ................................? 10. That’s Bob, ................................? 11. No-one died in the accident, ................................? 12. I’m supposed to be here, ................................? 13. Nothing is wrong, ................................? 14. Nobody called the phone, ................................? 15. Everything is okay, ................................? 16. Everyone took a rest, ................................? 17. Going swimming in the summer is never boring, ................................? 18. Let’s dance together, ................................? 19. Don’t talk in class, ................................? 20. Sit down, ................................? 21. This picture is yours, ................................? 22. Hoa never comes to school late, ................................? 23. You took some photos on the beach, . ................................? 24. He hardly ever makes a mistake, ................................? 25. We must communicate with you by means of e-mail or chatting, ................................? 26. Nobody liked the play, ................................? 27. She’d saved money if she bought fresh food, ................................? 28. The area was evacuated at once, ................................? 29. She’s very funny. She’s got a great sense of humor, ................................?
Vẽ đậu mầm nhớ nhung NL: Nhớ nhóm quá ik :'(
cứuuuuu , làm giúp em câu 4 với ạ
Loga.vn - Cộng Đồng Luyện Thi Trực Tuyến
