![Count Down From 100 to 1 | Reverse counting 100 to 1 | Backward Counting 100 to 1 | 100 99 98 Song - YouTube Count Down From 100 to 1 | Reverse counting 100 to 1 | Backward Counting 100 to 1 | 100 99 98 Song - YouTube](https://i.ytimg.com/vi/BG2jNc_Hlf0/sddefault.jpg)
Count Down From 100 to 1 | Reverse counting 100 to 1 | Backward Counting 100 to 1 | 100 99 98 Song - YouTube
![5. Tính nhanh: a) 100-99 +98-97 +96-95+...+4-3+2 b) 100 - 5 - 5 - ... - 5 ( cỏ 20 chữ số 5) c) 99 - 9 - 9 - ... - 9 ( có 11 chữ số 9) d) 2011+2011+2011+201 5. Tính nhanh: a) 100-99 +98-97 +96-95+...+4-3+2 b) 100 - 5 - 5 - ... - 5 ( cỏ 20 chữ số 5) c) 99 - 9 - 9 - ... - 9 ( có 11 chữ số 9) d) 2011+2011+2011+201](https://img.hoidap247.com/picture/question/20230731/large_1690813870932.jpg)
5. Tính nhanh: a) 100-99 +98-97 +96-95+...+4-3+2 b) 100 - 5 - 5 - ... - 5 ( cỏ 20 chữ số 5) c) 99 - 9 - 9 - ... - 9 ( có 11 chữ số 9) d) 2011+2011+2011+201
![3 Tính tổng các chuỗi số sau: (a) 100 - 99 +98-97+96-95 +.. +4 - 3 +2-1 100-17-2-9514 (b) 200 - 199 + 198 - 197+ ... + 4-3 +2 -1 4. Tính tổng các chuỗi số 3 Tính tổng các chuỗi số sau: (a) 100 - 99 +98-97+96-95 +.. +4 - 3 +2-1 100-17-2-9514 (b) 200 - 199 + 198 - 197+ ... + 4-3 +2 -1 4. Tính tổng các chuỗi số](https://img.hoidap247.com/picture/question/20200715/large_1594774917000.jpg)
3 Tính tổng các chuỗi số sau: (a) 100 - 99 +98-97+96-95 +.. +4 - 3 +2-1 100-17-2-9514 (b) 200 - 199 + 198 - 197+ ... + 4-3 +2 -1 4. Tính tổng các chuỗi số
![Counting in 7s 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56. - ppt download Counting in 7s 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56. - ppt download](https://slideplayer.com/13580982/82/images/slide_1.jpg)
Counting in 7s 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56. - ppt download
![View question - what is 99+98+97+96 well not just that like adding all numbers less then 100 up that woult take to long to type View question - what is 99+98+97+96 well not just that like adding all numbers less then 100 up that woult take to long to type](https://web2.0calc.com/img/question-preview-image/what-is-99-98-97-96-well-not-just-that-like-adding.png)
View question - what is 99+98+97+96 well not just that like adding all numbers less then 100 up that woult take to long to type
![Plus One Computer Science Chapter Wise previous Questions Chapter 4 Principles of Programming and Problem Solving - A Plus Topper Plus One Computer Science Chapter Wise previous Questions Chapter 4 Principles of Programming and Problem Solving - A Plus Topper](https://www.aplustopper.com/wp-content/uploads/2021/01/Plus-One-Computer-Science-Chapter-Wise-previous-Questions-Chapter-4-Principles-of-Programming-and-Problem-Solving-2.png)