Предмет: Математика, автор: monamirua

При каких значениях цифры * 38247 делится на 6

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Ответы

Автор ответа: parus77
0

Ответ:

Пошаговое объяснение:

а) делится на 2 когда оканчивается на четную цифру

*=0     382470  ;    

*=2    3824702   ;  

*=4      382470 ;

*=6   382476;

*=8     382478      

б) 38247*       3+8+2+4+7+*=24+*        

*=0      24+0=24    сумма цифр  числа делится на 3      значит  382470  делится на 3

*=3       24+3=27    значит    382473 делится на 3

*=6       24+6=30     значит    382476  делится на 3

*=9       24+9=33     значит    382479 делится на 3

в)  чтобы число делилось на 6 ,надо чтобы оно делилось и на 2 и на 3,поэтому из пунктов а) и б) выпишем одинаковые числа.Это будут числа    382470    и   382476

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Trade Fairs and Exhibitions

International fairs and exhibitions play a very important part in the development of good friendly relations between all the countries. They help to establish business contacts and promote trade and trade, as we know, promotes peace. Trade fairs and exhibitions are very popular with businessmen and ordinary people as well. Therefore our country which stands for peace and friendly relations with all countries takes part in fairs and exhibitions arranged both abroad and here in Russia. All the exhibitions in Moscow are organized up to the highest international standards. A large number of all kinds of goods on display in exhibit halls (pavilions) as a rule give the visitors an idea of the development of the national economies of the countries-participants and their peoples' way of life in general.

Recently the 8th Moscow international exhibition "Powertek-Energoprogress 2003" was held (on March 25-28 2003) in the sport complex Olympiysky. "Powertek-Energoprogress 2003" was an important international event in the energetic branch in Russia, the CIS (the Commonwealth of independent States) and other countries of the world participants showed their main achievements and the progress the industry and science had made for the last few years.
The efficient staff of stand-attendants, guides and interpreters did their best to make the exhibition a success. Colorful leaflets helped to advertise the equipment. The exhibition was crowded with visitors from opening to closing time. The entries in the visitors' book show that the visitors were greatly impressed by the exhibition.
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