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bạn để ý đi 600x546x506x600 chứ có phải 600x546+506x600 đâu mà bạn làm 600x(546+506) nếu làm vậy bạn phải làm là 600x(546x506) mới đúng bạn ạ.(mình góp ý cho bạn, nếu có gì phật lòng xin bạn bỏ qua cho
vì 24.25 ra 2 chữ số 0 ;20.21 ra 1 chữ số 0 và 30.26 ra 1 chữ số 0 nên có số chữ số 0 ở cuối tích là
2+1+1=4(chữ số)
Các số chia hết cho 5 là 25,30,35,40,45,50
Ta có 25 = 5x5 35=5x7 45=5x9
30=5x6 40=5x8 50=5x5x2
nhận xét 5 nhân với bất kì số chẵn nào cũng có kết quả tận cùng là 0 suy ra tích trên có 8 chữ số 0 ở tận cùng
^^ đúng thì k cho mình nhé
có 4 chữ số 0 ở tận cùng , nếu đúng kb và k cho mình nha , mình đang rất cần điểm
Hãy điền một từ thích hợp vào mỗi ô trống để hoàn thành đoạn văn sau:
we are destroying the Earth . The seas and rivers are (21) too dirty to swim in . There (22) is too smoke in the air in many cities in the world , we are cutting (23) down too many trees . We (24) are burning the forests . We are also destroying (25) a lot of plants and (26) animals . Many areas (27) of Earth are wasteland . Farmers in many parts of the world can not (28) have enough to eat . In some countries (29) there is too little rice . The Earth is in (30)danger . Save the Earth
Hãy điền một từ thích hợp vào mỗi ô trống để hoàn thành đoạn văn sau:
we are destroying the Earth . The seas and rivers are (21)....too.... dirty to swim in . There (22)....are..... too smoke in the air in many cities in the world , we are cutting (23).....down... too many trees . We (24).....are.... burning the forests . We are also destroying (25)...lots... of plants and (26)...animals...... . Many areas (27)...of..... Earth are wasteland . Farmers in many parts of the world can not (28)....get..... enough to eat . In some countries (29)......there.... is too little rice . The Earth is in (30).....danger.... . Save the Earth
21. I heard some strange noises at the night.
22. It is Monday today. It will be wednesday the day after tomorrow.
23. They were ten minutes late but they came at last
24. I really likes England. At first i did not understand the people nut it was much better later.
25. He was shy at first but at the end he asked her to marry him.
26. They are going on holiday at the end of september.
27. Everything turned out well at the end of the story.
21. Designers want to _____modernized_______ the Aodai. (modern)
22. Poets take ___inspiration________ from many things in life. (inspire)
23. Are you ____comfort________ in you school uniform. (comfort)
24. It is ____inconvenient_________ to phone someone late at night. (convenience)
25. Uniform makes students ___proud_____of their school. (pride)
26. Fashion ___designers__________ are very creative people. (design)
27. The basic ____design_____ of the car is very similar to that of earlier models. (designer)
28. He is a industrial ____designer_________. (design)
29. ___Musicians____ have mentioned the ao dai in their songs. (music)
30. What have ____fashion______ designers done to modernize the ao dai? (fashionable)
31. You will hear a public ____announcement_________ about a lost little girl. (announce)
32. The worldwide ____economic_________ situation got worse, and the sale of jeans stopped growing. (economy)
33. Uniforms __encourage_______ students to be proud of being students of their school. (courage)
34. Wearing casual clothes makes school more ____colorful______ and lively. (color)
35. Wearing casual clothes gives students ___freedom_______ of choice. (free)
36. They made jean cloth ____completed_______ from cotton in the 18th century. (complete)
37. They have just ____introduced_________ a new style of jeans in the USA. (introduction)
38. This exercise must be done ___carefully_______. (care)
39. We have to ____improve______ all the schools in the city. (improvement)
40. It is ____convenient___________ to wear casual clothing at work. (convenience)
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