a) \(aaaa:x=a\Rightarrow aaaa:a=x\Rightarrow x=1111\)
b) \(x\times a=a0a0a0\Rightarrow x=a0a0a0:a\Rightarrow x=101010\)
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a) \(aaaa:x=a\Rightarrow aaaa:a=x\Rightarrow x=1111\)
b) \(x\times a=a0a0a0\Rightarrow x=a0a0a0:a\Rightarrow x=101010\)
tim ab biet rang :
A, ab x b = bab
B, a x b x ab = bbb
C, ab x aba = abab x aa = aaaa
tim cac so tu nhien biet x biet
24 : x + 16 : x =5
a ,Tim so tu nhien x , biet : x<3
b , Timso tu nhien x , biet : x la so chon chuc va 28 < x <48
tim x biet 38 x X + 24 x X + X = 4221
Tim X biet:39744+372 X x=564 X x
khong lam tin hay tim a trong cac phen tinh sau
a 95 x { a - 75 } = 95 x { 100 - 75 }
b } 2003 + a x 15 = 2003 x 10 x 3 x5
minh biet ket qua nhung khong biet cach trinh bay
tim x biet xxx+xx+x+x+x=125
Tim X, biet: X x 2 + X x 3 + X x 4 + X = 100
Tim X,biet :a)25/40 bang x/8,b)x cong 15/3 bang34/6