Toán `5/9`x `8/11` + `5/9` x `9/11` – `5/9` x `6/11` 07/10/2021 By Alexandra `5/9`x `8/11` + `5/9` x `9/11` – `5/9` x `6/11`
5/9.8/11+5/9.9/11-5/9.6/11
=5/9.(8/11+9/11-6/11)
=5/9.11/11=5/9.1=5/9
Đáp án:
5/9
Giải thích các bước giải:
$5/9$ x $(8/11 + 9/11 – 6/11)$
=$5/9$ x 1
=$5/9$