Toán tính nhanh 571.67+571.18+429.85 Giúp em vs ạ ❤️❤️ 31/07/2021 By Lyla tính nhanh 571.67+571.18+429.85 Giúp em vs ạ ❤️❤️
`571 . 67 + 571 . 18 + 429 . 85` `= 571 . ( 67 + 18 ) + 429 . 85` `= 571 . 85 + 429 . 85` `= ( 571 + 429 ) . 85` `= 1000 . 85` `= 85000`. Trả lời
$571.67+571.18+429.85$ $=571.(67+18)+429.85$ $=571.85+429.85$ $=85.(571+429)$ $=85.1000$ $=85000$ Trả lời
`571 . 67 + 571 . 18 + 429 . 85`
`= 571 . ( 67 + 18 ) + 429 . 85`
`= 571 . 85 + 429 . 85`
`= ( 571 + 429 ) . 85`
`= 1000 . 85`
`= 85000`.
$571.67+571.18+429.85$
$=571.(67+18)+429.85$
$=571.85+429.85$
$=85.(571+429)$
$=85.1000$
$=85000$