K
Khách

Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.

21 tháng 6 2021

Đáp án là b)

21 tháng 6 2021

10 người trả lời đúng trước mình k cho

a: =>x-562=20

=>x=582

b: =>562-x+568=0

=>1130-x=0

=>x=1130

c: =>2x-123=283-62=221

=>2x=344

=>x=172

d: =>2x-1=2

=>2x=3

=>x=3/2

6 tháng 5 2017

a) 135 + x -135 = 0 => (135 - 135) + x = 0 => x = 0.

b) -562 - x + 562 = 0 => (-562 + 562) - x = 0 => - x = 0 => x = 0.

c) 61 + x - 23 = 91=> (61 - 23) + x = 91=>38 + x = 91=> x = 53.

d) 11 + 53 - x = 97 => 64 - x = 97 => x = 64 - 97 => x = - 33

10 tháng 12 2019

29 tháng 12 2022

789. 2- 56+ (-95)+111+261+498-215+49+1236-4591-56+4189+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12

= 1578- 56+ (-95)+111+261+498-215+49+1236-4591-56+4189+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12

=1522+ (-95)+111+261+498-215+49+1236-4591-56+4189+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12

=1427+111+261+498-215+49+1236-4591-56+4189+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12

=1538+261+498-215+49+1236-4591-56+4189+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12

=1799+498-215+49+1236-4591-56+4189+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12

=2297-215+49+1236-4591-56+4189+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12

=2082+49+1236-4591-56+4189+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12

=2131+1236-4591-56+4189+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12

=3367-4591-56+4189+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12

=-1224-56+4189+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12

=-1280+4189+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12

=2909+48+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12

=2957+52-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12

=3009-1000-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12

=2009-500+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12

=1509+230+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12

=1739+32500-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12

=34239-5600+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12

=28639+2641+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12

=31280+853+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12

=32133+195-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12

=32328-564+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12

=31764+235+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12

=31999+4187+9023177-5000000+562+159-90+459-420+562+235+489+71+12

=36186+9023177-5000000+562+159-90+459-420+562+235+489+71+12

=9059363-5000000+562+159-90+459-420+562+235+489+71+12

=4059363+562+159-90+459-420+562+235+489+71+12

=4059925+159-90+459-420+562+235+489+71+12

=4060084-90+459-420+562+235+489+71+12

=4059994+459-420+562+235+489+71+12 

=4060453-420+562+235+489+71+12 

=4060033+562+235+489+71+12 

=4060595+235+489+71+12

=4060830+489+71+12

=4061319+71+12=4061402

29 tháng 12 2022

ủa:q. rảnh v:))

29 tháng 7 2017

6 tháng 11 2016

bạn vào đây xem câu trả lời

https://www.youtube.com/watch?v=fvGaHwKrbUc

6 tháng 11 2016

562=2x281

446=2x223

123=3x41

ƯCLN(562;446;123)=1

12 tháng 2 2019

[295+(-216)-[-295+(-100) -(295+ (-116)]

= 76 - (-395) - 179

= 292

muấn làm nhanh hon thì bảo mình nha mình on 12/24

1 tháng 11 2021

\(=295-\left(31-20\right)^2=295-11^2=295-121=174\)

1 tháng 11 2021

=295-(31-20)2

=295-112

=295-121

=174