9930

đúng 100%

duyệt lẹ

mình vừa thi xong đáp án đúng là 12,5 cm

4²⁰¹² = ( 4² )¹⁰⁰⁶

=16¹⁰⁰⁶

Vì 6 mủ bao nhiêu cũng có chữ số cùng là 6 nên:

16¹⁰⁰⁶ = ...6

Vậy chữ số tận cùng của 4²⁰¹² là 6

I. Read each of the following list of four words and choose one word that does not belong in each list.

1. A. actress B. uncle C. grandmother D. policewoman

2. A. chicken B. cat C. sheep D. dog

3. A. wardrope B. cupboard C. arm chair D. fridge

4. A. cooker B. teacher C. engineer D. worker

5. A. orange B. green C. yellow D. apple

II. Choose the word with the same meaning as the underlined part.
1. The Vietnamese people worship their anstors
A. fossils B. elders C. forefathers D. heirs
2. The number of unemployed people in that country is increasing rapidly.
A. retired B. working C. business D. jobless
3. After the alien space craft hovered over the park for a short while, it vanished
A. landed B. disappeared C. attacked D. rose
4. I haven’t seen your brother reuntly
A. latily B. suddenly C. quietly D. immedrately
5. Mathe matics is a compulsory subject in Vietnamese high schools.
A. difficult B. easy C . requned D . interesting
6 . The tennis matth was put off because of the heary rain.
A . das’troyed B . postponed C . canceled D . damaged
7 . We are very anxious about the result of the exam.
A . careful B . careless C . exeited D . worried
8 . His sister got married to a wealthy businessman.
A. rich B. strong C. clever D. generous
9. I think his story is completely incredible
A. insufficient B, unbelierable C. in comparable D. unmportant
10. The company asked for additional information
A. certain B. emphatic C. further D. necessary

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Đề bài : 15 % của 100 là bao nhiêu ?

Ta giải bài trên theo dạng 2 : % của một số .

Bài giải : 

15 % của 100 là :

15 x 100 : 100 = 15 .

Đáp số : 15 .