Question

phân tích số abcd  [a #0 ]

Answer 1

abcd = a x 1000 + b x 100 + c x 10 + d

Tích nha =))

Answer 2

ta có abcd =a000+b00+c0+d =a * 1000+b*100+c*10+d

abcd =ab00 +cd

abcd =abc+d

abcd =a000+bcd

Answer 3

Ta có abcd = a000 + b00 + c0 + d = a x 1000 + b x 100 + c x 10 + d

abcd = ab00 + cd

abcd = abc + d

abcd = a000 + bcd

Answer 4

=a000+b00+c0+d