Question

23.73+23.22+86 tính nhanh

 

Answer 1

\(23.73+23.22+86\)

\(=23.73+23.22+23.5-29\)

\(=\left(73+22+5\right).23-29\)

\(=100.23-29\)

\(=2300-29\)

\(=2271\)

Answer 2

23.73+23.22+86 

=2271

Giải như Khong Biet

Answer 3

(2n+7)chia hết cho(n+1)

Tìm n