Toán (2020 x 1 + 1906 x 2 + 2720 x 3 ) : ( 680 x 12 + 3812 +2020) 20/07/2021 By Elliana (2020 x 1 + 1906 x 2 + 2720 x 3 ) : ( 680 x 12 + 3812 +2020)
`(2020 × 1 + 1906 × 2 + 2720 × 3 ) : ( 680 × 12 + 3812 + 2020)` `= (2020 + 3812 + 8160) : (8160 + 3812 + 2020)` `= 13992 : 13992` `= 1` Trả lời
Đáp án bằng 1 Vì $=>$ Ta có : $ (2020$ x $1$ + $1906$ x $2$ + $2720$ x $3 )$ : $( 680 $ x $12 + 3812$ +$2020)$ = $13992$ $ :$ $13992 $ =$1 $ Trả lời