\(\left(17-3x\right)^3+36=161\)
=> \(\left(17-3x\right)^3=161-36=125\)
=> \(\left(17-3x\right)^3=5^3\)
=> \(17-3x=5\)
=> \(3x=12\)
=> \(x=4\)
\(\left(17-3x\right)^3+36=161\)
=> \(\left(17-3x\right)^3=161-36=125\)
=> \(\left(17-3x\right)^3=5^3\)
=> \(17-3x=5\)
=> \(3x=12\)
=> \(x=4\)
(-17).39+17.(-161)
Bài 1: Tìm số tự nhiên x, biết:
a,36 : [ 7(x - 3) + 4 ] = 24 :23
b,[(6x - 39) : 3 ] . 28 = 5628
c,(2x -7) - (x + 135)=0
d,24 .125 + 52 . 25
e,17 . 27 +17 . 25 + 17 . 48
g,122 + (37 - 3x) = 0
h,(14 - 3x) + (6+x) = 0
a) 3x + 2 . (-7) = 10
b) 25 -(30 + x) = - (27 - 8)
c) 15 - x = 12 - ( -14)
d) (4x + 11) - ( x + 34) = 67
e) 3 - 17 - x = 289 - (36 + 289)
a) 83 - (-756 - 17) + (50 - 756)
b) -105 + (-34 - 95) - 166
c) -(39 + 228 - 407) + (118 - 161)
d) 5^10 : 5^8 + 60 : 12 + (-10)
e) -342 - (161 - 342) - 39
g) 7^5 : 7^3 + (-187 - 149) - 213
a) 83 - (-756 - 17) + (50 - 756)
b) -105 + (-34 - 95) - 166
c) -(39 + 228 - 407) + (118 - 161)
d) 5^10 : 5^8 + 60 : 12 + (-10)
e) -342 - (161 - 342) - 39
g) 7^5 : 7^3 + (-187 - 149) - 213
timGTLNhoac GTNN cua:
A= /-x+8/-21
B= /-x-17/+/y-36/+12
D= -/2x-8/-35
D=3(3x-12)2 -37
tìm x
a) (3x+4):12+17=19
b) 57-4 : (2x-1 )=53
c) 45:(2x+1 )-3=0
d )36+72 : (x+1)=396
e ) 470 -(2x+3)*11=217
Bài 1 Tìm x,biết
x.3/5=2/3
x.7/17=17/8
3/4 chia x=-7/12
3/8 - 1/6.x=1/4
1/3+1/2 chia x=-4
Bài 2 Tính
-6/11 chia [3/5 . 4/11]
7/12 + 5/12 chia 6 -11/36
[4/5 + 1/2] chia [3/13 - 8/13]
[2/3 - 1/4 + 5/11] chia [5/12 + 1 -7/11]
*Dấu . là dấu nhân nha mn*
a) x + 2x + 3x = 36
b)7x - 2x - x = 24
c) (x : 5 ) - 10 = 5
d) 7 . ( x + 3 ) = 49
e) ( x - 5 ) . 4 =32
g) 7x - 3 = 25
h) 17 - ( x : 3 ) = 10