Question

tim abc biet abc1 : 3 =2abc

Answer 1

Ta có 2abc x 3 = abc1

=> (2000 + abc) x 3 = abc x 10 + 1

=> 6000 + abc x 3 = abc x 10 + 1

=> abc x 7 = 5999

=> abc = 5999 : 7

=>abc = 857

Answer 2

giai het ra cho to nhe

Answer 3

cac ban nho giai het ra cho to nhe

Answer 4

xin loi minh ko hieu cho lam

Answer 5

Ta có 2abc x 3 = abc1

=> (2000 + abc) x 3 = abc x 10 + 1

=> 6000 + abc x 3 = abc x 10 + 1

=> abc x 7 = 5999

=> abc = 5999 : 7

=> abc = 857

Vậy abc = 857.