1/ =>[ (10 - x) . 2 + 5 ] : 3 = 5
=> (10 - x) .2 + 5 = 15
=> (10 - x) . 2 = 10
=> 10 - x = 5
=> x = 5
2/ => (15x + 364) : x = 41
=> 15x + 364 = 41x
=> 26x = 364
=> x = 14
1 tính
1+2-3-4+5+6-7-8+......-299-30+301+302
2 tìm x
697:[ (15X+364) : X ]=17
X+5:2-(32+16*3:16-15)+0
Tìm x :
a) [ ( x + 32 ) - 17 ] * 2 = 42
b) [ 61 + ( 53 - x ) ] * 17 = 1785
c) 697 : 15x + 364 / x = 17
d) 92 * 4 - 27 = x + 350 / x + 315
697:(15x+364):x=17
92.4-27=(x+350):x+315
720:(41-(2x-51)=23.5
(x+1)+(x+2)+(x+3)+...+(x+100)=5750
Tìm x:
tìm x:
a) \(5^{x-2}-3^2=2^4-\left(2^8.2^4-2^{10}.2^2\right)\)
b) 697 : [ ( 15x + 364 ) : x ] = 17
c)\(\left(3x-2^4\right).7^3=2.7^4\)
a)697:15x+364=17
b)92.4-27=x+350+315/x
c)720:[41-(2x-5)x]=23.5
trình bày ra nhé
tìm x:
\(^{5^{x-2}-3^2=2^4-\left(2^8.2^4-2^{10}.2^2\right)}\)
\(697:\left[\left(15x+364\right):x\right]=17\)
\(\left(3x-2^4\right).7^3=2.7^4\)
(15x+364):x=697:17(x khác 0)
|x|=1+2+3+4+5+...+2010 tìm x
2mũ x=2+4+6+8+10+...+2010 tìm x
697:15a+364/a=17 tìm a
a) 5x - 2 - 32 = 24 - ( 28 . 24 - 210 . 22 )
b) 697 : [( 15x + 364 ) : x ] = 17
c) 134 : ( x - 3 ) = 35 + 160 : 5
d) ( 3x - 24 ) : 73 = 2 . 74
e) [( 10 - x ) : 2 + 5 ] : 3 - 2 = 3
