Предмет: Математика, автор: nastiatretiakova2013

336. Розкрий дужки: 1) 7 (a + 2); 3) 3 (4x-2y); 2) (3b) 5; . 4) (5р + 2m) . 4.​

Ответы

Автор ответа: medcentrekon
1

Відповідь:

1) 7 (a + 2) = 7а + 14

2) (3b) 5 = 15b

3) 3 (4x-2y) = 12х - 6у

4) (5р + 2m) 4 = 20​р + 8m

Автор ответа: cuk7729
0

Відповідь:1) 7а+14. 3)12х-6y. 2)15b. 4)20p+8m

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Is there an End to the Computer Race?

Today the word electronics» is in general usage. Millions of people have electron watches. There are a lot of various radio and TV sets, video cassette recorders and CD players in our houses In factories and plants we are surrounded with electronically con- trolled machines and instruments, we are carried by airplanes, ships, trains and cars with built-in electronic devices, and satellites circle the globe. In other words, we are living in an electronic world.

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When we speak about a further development of computers we mean not only quantity, but also high technology and high speed. As the operation of an integrated circuit depends on microscopic <<components», the purity of all materials and the cleanness at the plant they are produced at must be of the highest quality. A con- tinuous search is going on in laboratories throughout the world for more perfect, reliable and high speed electronic circuits.

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