Question

Tìm X biết : a) X x ab = ab0ab .
b) abcabc : X = abc .
 

Answer 1

Giải :

a) X x ab = ab0ab

=> X = ab0ab : ab

=> X = ( ab000 + ab ) : ab

=> X = ab000 : ab + ab : ab

=> X = 1000 + 1 = 1001

Vậy X = 1001

b) abcabc : X = abc

=> X = abcabc : abc

=> X = ( abc000 + abc ) : abc

=> X = abc000 : abc + abc : abc

=> X = 1000 + 1 = 1001

Vậy X = 1001

Answer 2

Đáp án :

a) X = 1001

b) X = abcabc : abc

    X = 101

Answer 3

a) \(x \)xab = ab0ab

\(x\)       = ab0ab : ab

\(x \)        = 1001

b)abcabc : x = abc

                  x = abcabc : abc

                  x = 1001

Answer 4

a)x=101 b)x=101

Answer 5

a) X = 1001

b) X = 101