![](https://rs.olm.vn/images/avt/0.png?1311)
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
y:66 dư 37 => y = 66k+37=66k+33+4 => y:33 dư 4 mà x:33 dư 5 =>x+y chia 33 dư 9
![](https://rs.olm.vn/images/avt/0.png?1311)
\(5^5.\dfrac{1}{20}.2^2.3^3:125\)
\(=5^5.\dfrac{1}{2^2.5}.2^2.3^3:5^3\)
\(=\dfrac{2^2.3^3.5^5}{2^2.5^4}=3^3.5=27.5=135\)
= 3125 x 1/20 x 4 x 27 : 125
= 625/4 x 4 x 27 : 125
= 625 x 27 : 125
= 16875 : 125
= 135
![](https://rs.olm.vn/images/avt/0.png?1311)
\(55-x+33=76\)
\(55-x=76-33\)
\(55-x=43\)
\(x=55-43\)
\(x=12\)
Vậy x = 12
![](https://rs.olm.vn/images/avt/0.png?1311)
66.(-55)+33.(-90)
=33.2.(-55)+33.(-90)
=33.[2.(-55)]+33.(-90)
=33.(-110)+33.(-90)
=33.[-110+(-90)]
=33.(-200)
=-6600
66 . (-55) + 33 . (-90)
= 33 . 2 (-55) + 33 . (-90 )
= 33 . [ 2.(-55) + ( -90)]
= 33 . (-200)
= -6600
![](https://rs.olm.vn/images/avt/0.png?1311)
66 x 25 +5 x 66+66 x 14 + 33 x 66
= 66 x ( 25+5+14+33)
= 66 x 77
= 11 x 6 x 11 x 7
= 11 x( 6x 7)
= 11 x 42
= 462
tick cho mình nha,Mạnh Dũng
![](https://rs.olm.vn/images/avt/0.png?1311)
c,x-(20-16)=34-(10+x)
=> x-4=34-10+x
x-4=24+x
x+x=24-4
2x=20
x=20:2
x=10
vậy x=10
33 x 55 + 33 x 66 - 33 x 21
= 33 x ( 55 + 66 - 21 )
= 33 x 100
= 3300
\(33.55+33.66-33.21=33.\left(55+66-21\right)=33.100=3300\)