user-avatar
hoanghue
2 năm trước
với mỗi số nguyên dương a, kí hiệu S(a) là tổng tất cả các chữ số của a hãy tìm GTNN của S(4020n) vs n là số nguyên dương help me--------
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

41) ____ you ____ that film yet? A. Do/see B. Have/seen C. Did/see D. Had/seen 42) I ____ the film with my friends last week. A. watched B. watch C. have watched D. had watched 43) He ____ up at five every morning. A. is getting B. got C. gets D. was getting 44) ____ she ____ in Hue at the moment? A. Does/live B. Is/living C. Did/live D. Was/living 45) He usually __ her at weekend but now he __ in bed because of his severe illness. A. visits/stays B. visits/staying C. visited/stays D. visits/is staying 46) Don’t make noise, children! Parents ____. A. sleep B. are sleeping C. were sleeping D. slept 47) Why ____ you always ____ so much noise in the house? I don’t like that. A. do/make B. did/make C. are/making D. were/making 48) What ____ he ____ before you came? A. does/do B. had/do C. had/done D. has/done 49) While mum was watching TV, I ____ my homework. A. am doing B. was doing C. had done D. has done mình cần gấp nhé

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team