( 325 - 317 ) 3 - 2 . ( x - 1 ) = 2 18 : 8 2
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)
\(\left(325-317\right)^3-2\left(x-1\right)=2^{18}:8^2\)
\(8^3-2x+2=2^{18}:\left(2^3\right)^2\)
\(512-2x+2=2^{18}:2^6\)
\(514-2x=2^{18-6}\)
\(514-2x=2^{12}\)
\(-2x=4096-514\)
\(-2x=3582\)
\(x=-1791\)
![](https://rs.olm.vn/images/avt/0.png?1311)
8^3-2.(x-1)=4096
512.2.(x-1)=4096
2.(x-1)=4096:512
2.(x-1)=8
x-1=8:2
x-1=4
x =4+1
x =5
\(\left(325-317\right)^3-2\left(x-1\right)=2^{18}:8^2.\)
\(\left(325-317\right)^3-2\left(x-1\right)=2^{18}:\left(2^3\right)^2\)
\(\left(325-317\right)^3-2\left(x-1\right)=2^{18}:2^6\)
\(\left(325-317\right)^3-2\left(x-1\right)=2^{12}\)
\(8^3-2\left(x-1\right)=2^{12}\)
\(\left(2^3\right)^3-2\left(x-1\right)=2^{12}\)
\(2^9-2\left(x-1\right)=2^{12}\)
\(2\left(x-1\right)=2^9-2^{12}\)
\(2\left(x-1\right)=-3584\)
\(\left(x-1\right)=-2584:2\)
\(x-1=-1792\)
\(x=-1792+1\)
\(x=-1791\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(325-5\left[4^3-\left(27-5^2\right)\cdot1^{18}\right]\\ =325-5\left[64-\left(27-25\right)\cdot1\right]\\ =325-5\left(64-2\right)=325-5\cdot62=325-310=15\)
![](https://rs.olm.vn/images/avt/0.png?1311)
Tìm x
\(\text{a.-(-3-x+8)-(-3+5)=|5-8| }\)
\(3+x-8+3-5=\)\(\left|-3\right|\)
\(3+x-8+3-5=\)\(3\)
\(x=\)\(\text{3+5-3+8-3}\)
\(\text{x=10}\)
B.\(\text{43+(9-21)=317-(x+317)}\)
\(43+9-21\)\(=317-x-317\)
\(50-21=\left(317-317\right)\)\(-x\)
\(29=0-x\)
\(29=-x\)
\(\Rightarrow x=-29\)
c,3(x-2)-2(x-4)=-12-2
3x -6 -2x -8= -12
(3x-2x) - (6+8) =-14
x-14=-14
x=-14+14
x=0
![](https://rs.olm.vn/images/avt/0.png?1311)
Bạn tính SLS của tổng S rồi chia 2 nhân với 325+1 là ra
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
Bài 2:
a: \(\left(6x-39\right):7=3\)
\(\Leftrightarrow6x-39=21\)
hay x=10
![](https://rs.olm.vn/images/avt/0.png?1311)
2x - 12 = 18................................
2x = 30 ........................................
x = 15.....................................
(325 - 317)3-2 . (x - 1)=4096
=83-2.(x - 1) =4096
sorry bn .mk cứ tưởng ^ _ ^