Question

xxx+xx+x+x+x+1=1001

tìm x

Answer 1

xxx+xx+x+x+x+1=1001

=>xxx+xx+x+x+x=1001-1

=>xxx+xx+x+x+x=1000

=>x.111+x.11+x.1+x.1+x.1=1000

=>x.(111+11+1+1+1)=1000

=>x.125=1000

=>x=1000:125

=>x=8

Chú ý: dấu chấm thay cho dấu nhân

Answer 2

xxx+xx+x+x+x+1=1001

=>111x+11x+x+x+x=1000

=>125x=1000

=>x=8

Answer 3

xxx +xx +x+x+x+1=1001   => 111x+11x+x+x+x=1000

=> x(111+11+1+1+1)=1000 => x.125=1000

=> x=1000:125 => x=8

    Vậy x=8

Answer 4

ai bít

Answer 5

biết rồi nhưng ko nói đâu