$25^{25}$+$5^{49}$ - $125^{16}$
=$5^{50}$ +$5^{49}$ -$5^{48}$
=$5^{48}$ ×($5^{2}$ +5-1)
=$5^{48}$ ×(25+5-1)
=$5^{48}$ ×(30-1)
=$5^{48}$ × 29 ⋮ 29
vậy $25^{25}$+$5^{49}$ - $125^{16}$ ⋮ 29
Đáp án + Giải thích các bước giải:25^25 + 5^49 - 125^16 $\vdots$ 29=(5^2)^25 + 5^49 - (5^3)^16 $\vdots$ 29=5^50 + 5^49 - 5^48 $\vdots$ 29=5^48 . (5^2 + 5 - 1)=5^48 . 29 $\vdots$ 29=>Điều phải chứng minhNocopy!#phungducanh97
Những ca khúc mang âm hưởng dân ca vùng núi phía bắc
1. The Sword Lake is set in beautiful _______. A. situation B. views C. surroundings D. environment 2. They haven’t seen each other, but they write to each other frequently. They are _____. A. pen pals B. writers C. co-writers D. paper pals 3. Find the word which has a different stress pattern from that of the others. A. impress B. beauty C. abroad D. depend 4. Find the word which has the underlined part pronounced differently from that of the others. A. correspondents B. prayers C. religions D. instructors 5. Churches, temples and pagodas are places of _______. A. gossip B. warship C. worship D. friendship 6. Their friendliness makes a deep _______ on tourists. A. correspondence B. beauty C. recreation D. impression 7. Children in this poor village are allowed to go to school without _______. A. education B. instruction C. tuition fee D. impression 8. In Singapore, education is free and compulsory _______ children from 6 to 16. A. to B. at C. between D. for 9. Now I think she is _______ to living in the city. A. happy B. anxious C. accustomed D. interested 10. Find the word which has a different stress pattern from that of the others. A. museum B. friendliness C. instruction D. compulsory 11. Find the word which has the underlined part pronounced differently from that of the others. A. impressive B. separate C. currency D. compel 12. Is military service compulsory in your country? A. may be chosen or not B. must be done C. not requiring a payment D. given support 13. We cannot understand the _______ given in English on the label of the bottle. A. instructions B. language C. difference D. atmosphere 14. _______ English is their official language, most of them can speak Chinese. A. Although B. So C. Despite D. If
Vẽ itachi hoặc shisui nha mn , tradi not digi , ko nhận tranh cũ , đẹp , có tâm , ko màu để nguyên hoặc đánh chì, nếu muốn xin tus vẽ nv khác thì phải hỏi tus ( trong naruto )
Ai giup minh voi a minh se vte5 sao a
Khó quá giúp gấp ạ,chỉ làm câu trên thôi cảm ơn ạ
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vote5sao cho ai giải chi tiết nhất
giúp mình ik , nhớ vẽ hình ik nha
Bài 1:cho tam giác ABC vuông ở A có AH là đường cao, đường trung tuyến AM. Qua H kẻ đường thẳng song song với AB và AC, lần lượt cắt AC ở P và AB ở D. DP cắt AH ở O và AM ở Q. 1. C/m AH=DP 2. Định dạng tam giác MAC và tam giác OAP 3. c/m tam giác APQ vuông ở Q Bài 2: Cho hình chữ nhật ABCD tâm O, kẻ BH vuông góc với AC ở H. Trên tia đối của tia BH lấy BE=AC 1. Tam giác BDE là tam giác gì? Vì sao? 2. c/m góc HBO= 2góc BDE 3. C/m góc HOB= 2góc ODC 4. Tính góc EDC; góc ADE giúp tớ vs ạ cảm ơn trước hứa vote 5 sao và ctlhn
ko cần giải thích ghi đáp án là đc 1.Nam often ( play) ________________________ soccer in the afternoon. 2.My father used to (go) _____________________swimming when he was a child. 3.What about ( go) ___________________ to the zoo on Sunday evening ? 4. Tien Dung goalkeeper ( live ) ____________________ Thanh Hoa city since 1997. 5.I used to ( go) ____________________ to the zoo on Sundays when I was a child. 6.Xuan Truong footballer ( play) ________________________ soccer beautifully last Saturday. 7.Nam used to (go) _____________________fishing when he was a child. 8.They (learn ) _____________________ English for five years. 9.How about ( go) ____________________ to the zoo on Sunday evening ? 10.Quang Hai footballer ( play) ______________________ soccer beautifully last Saturday. 11.I ( meet ) ______________________ her at the movie theater last night. 12.He ( go ) ___ to the English club every Sunday. But last Sunday he ( not go ) ________ there, he went to the City’s museum. 13.Two years ago, she ( teach ) ______________________ at a village school. 14.What _____ _____you (do) ____________ yesterday morning? 15.We ( travel ) ______________________ to Hue next month. 16.My mother ( not like ) ______________________ riding a motorbike. 17.When my father was young, he (drink ) _____________________ a lot of beer. 18.Nam ( study ) ______________________ homework in the living room now. 19.Be careful ! The car ( come ) ______________________ . 20.My mother ( go ) ______________________ to the supermarket yesterday evening.
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