Tim x Biet
:x + 83x + 16x = 48500
x.1+83.x+16.x=48500
x.(1+83+16)=48500
x.100=48500
x=48500:100
x=485
x+83x+16x=48500
x(1+83+16)=48500
x . 100 =48500
x =48500:100
x = 485
Lưu ý dấu . là dấu nhân
x+83x+16x=48500
=>100x=48500
=>x=48500:100
=>x=485
Tim x Biet
:x + 83x + 16x = 48500
x.1+83.x+16.x=48500
x.(1+83+16)=48500
x.100=48500
x=48500:100
x=485
x+83x+16x=48500
x(1+83+16)=48500
x . 100 =48500
x =48500:100
x = 485
Lưu ý dấu . là dấu nhân
x+83x+16x=48500
=>100x=48500
=>x=48500:100
=>x=485
Bai 1: Tim ab ; biet ab = b x 9
Bai 2 : Tim ab, biet :
a) ab x 5 = 2ab b) ab = 4ab / 9.
Bai 3 : Tim ab, biet : a 2 = b x 5
Bai 4 : Tim cac so ab biet :
a) a x3 = bx9 b) a x4 = b x6.
Bai 5 :
a) Tim abc, biet a , b , c khac nhau va : a x bc = 91.
b) Tim a , b , c khac nhau biet aa x bc = 1001
a) tim X biet
X+7/X = 9 ( voi X > 0 )
b) tim 3 gia tri cua X biet
12,3 < X < 12,4
tim x biet 2<x<3 biet x la so tu nhien
Tim x,biet :
x/15 = 2/3
x = ....
Tim x la so tu nhien,biet :
a)9,3 + 2,7<x<5,9 + 8,8
b) 24,58 + 6,79<x<8,74 + 25,5
Tim chu so x, biet :
5,6 x 4 < 5,614
Tim chu so tu nhien x, biet :
a) 0,9 < x < 1,2
b) 84,97 < x < 85,14
tim x biet x *5,2- x=4,2 *10
tim X biet : 30% x X + X = 52
Tim x biet 75,1 be hon x be hon 75,2 tim 2 so do
tim x biet x+x :0,5+x:0,25+x:0,125