Question

gấp gấp gấp!!!

tìm abc biết rằng

a. 1bac x 2= abc8

b. abc : 11= a+b+c

Answer 1

abc : 11 = a + b + c

=> abc : ( a + b + c ) = 11

a + b + c = 11

100a + 10b + c = 11 x 10

abc = 110

Answer 2

abc : 11 = a + b + c

=> abc : ﴾ a + b + c ﴿ = 11

a + b + c = 11

100a + 10b + c = 11 x 10

abc = 110

k mik mik k lại 0_0