=324cm²

tự tính:v

$75.12+75.9-21.25$

$=75.(12+9)-21.25$

$=75.21-21.25$

$=75.21+21.(-25)$

$=21.(75-25)$

$=21.50$

$=1050$

$4.17+4.84-4$

$=4.17+4.84-4.1$

$=4.17+4.84-1.4$

$=4.(17+84-1)$

$=4.100$

$=400$

_________________

$17.18-18+84.18$

$=17.18-18.1+84.18$

$=17.18+18.(-1)+84.18$

$=18.(17-1+84)$

$=18.100$

$=1800$

_____________________

{ (998-2):2+1 } . (998+2):2

à :)

bạn nào dị:)

(Tra mạng:v)
1. They said the support service will be set up the next month.
2. Sarah wondered if to attend the life skills workshop that weekend.

3. Robert told me that his father had flown to Dallas last year.

4. He always feels left off when his friends talk about sports.
5. For more information, call our free toll number and speak to a customer service representative.
6. He asked his father where to cope with negative emotions.

👍👁👄👁👍

....
mong bạn nhắn riêng