12 ( x - 1) = 0

 => x - 1 = 0

x = 0 + 1

x = 1

Vậy x = 1

1024.13 + 1024 . 65

_________________

256 . 104

= 13312 + 66560

________________

26624

= 79872

________

26624

Bạn tự rút gọn nha

mik mới khôi phục đc điểm âm mà giờ lại bị trừ tiếp, các bạn giúp mik nha, mik sẽ giúp lại 100%

cảm mơn các bạn trc

3/5+7/6+2/5+5/6

=(3/5+2/5)+(7/6+5/6)

=1+2

=3

di ban

1.Sam....played....(play) his guitar at half past seven last night

2. ...did......you...drive.....(drive) to work when the accidient happened?

3.It.....rained....(rain) on Monday so we didn't play football

4.At 6 o'clock on Saturday morning we..are traveling......(travel) to the airport

5.I...did 't lisen.....(not listen) to my teacher when he asked a question

6.In 1986 my father....lived....(live) in Paris.That's where he met my mother

7.What...did....they...do....(do) when you arrived?

8.Greg....did ' t study.....(not study) for the test we went to his place

9. ....did.....Caroline.....skied..(ski) when she broke her leg?

10.My parents..did't sleeped.....(not sleep) when I came home last night

chịu thôi

40 + 40 = 80 h/s mình đang âm điểm , k mình nha

Mình chắc chắn là 15

40+40=80 (học sinh)

tại sao mk đầu tiên mà bây giờ đâu mất rùi ai k mk mk k lại nhé

\(\left(\frac{2}{5}\right)^2.x=\left(\frac{2}{5}\right)^5\)

x=\(\left(\frac{2}{5}\right)^5\div\left(\frac{2}{5}\right)^2\)

x=\(\left(\frac{2}{5}\right)^{5-2}\)

x=\(\left(\frac{2}{5}\right)^3\)