Предмет: Алгебра, автор: sashap2000

(√320-3√24)-(√45-2√243) упростите,пожалуйста

Ответы

Автор ответа: sedinalana
0
8√5-6√6-3√5+18√3=5√5+18√3-6√6
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Transport in India (1)
1 John Palmer___ a railway worker in India.
a. am
b. is
c. are
2 Two years ago he _____ the Railway Academy.
a. finish
b. finishes
c. finished
3 He and his partners ____ in the Konkani Railway Corporation.
a. work
b. works
c. is worked
4 The company Konkani Railway ___ in 1990
a. formed
b. is formed
c. was formed
5 The company provides _____ for a large number of people.
a. employment
b. employ
c. employed
6 The Konkani Railway has the ______ railway tunnel in India.
a. long
b. longer
c. longest
7 The tunnel is ______ with sensors to monitor air contamination.
a. equipped
b. equipping
c. equipment
8 The ventilation system is activated ______ via the data from the sensors.
a. automation
b. automatical
c. automatically
9 The position of the train within the tunnel ____ on a panel in the traffic
control room at the tunnel entrance.
a. is indicated
b. are indicated
c. indicated
10 John is a computer _____ .
a. engine
b. engineer
c. engineering
11.John thinks that his job is very ______ .
a. import
b. important
c. importance
12 He usually starts his working day ____ 9 o’clock.
a. on
b. in
c. at
13 He usually goes to work ____ car.
a. by
b. in
c. on
14 John enjoys _______ a car.
a. drive
b. driving
c. to drive
15 Now John ______ with railway specialists from Russia.
a. meets
b. met
c. is meeting
16 It’s good that John ____ speak Russian.
a. can
b. may
c. must
17 ___ Russian language is getting popular in India.
a. The
b. A
c. An
18 He hopes that their meeting _____ successful.
a. be
b. will be
c. was
19 John _____ work very hard to achieve success. a. can
b. may
c. must