(–4)².(–3)–[(–93)+(–11+8)³3].

= 16 . (-3) - [(-93) + ( -11 + 8 )³  ]

= -48 -[ ( -93) + (-3)³  ]

= -48 - [( -93)+ (-210)]

= -48 - (-303)

= 255

2* 

* ϵ { 3 ; 9 }

A= 2011 + 2012 + 2013 + 2014 + 2015 + 2016 + 2017 + 2018 + 2019.

A= ( 2011 + 2019 ) + ( 2012 + 2018) + ( 2013 + 2017 ) + ( 2014 + 2016 ) + 2015

A=  4030 + 4030 + 4030 + 4030 + 2015

A= 16120 + 2015

A= 18135

-20213<-20123

question 1-there are

question 2-is in front of the playground

question 3-Minh's bike is in

  The person i want to tell you is my mum. She is 40 years old. She has short black hair, and oval face and especially she is very beautiful. She is kind, hard-working, clever and friendly. She likes cooking in the kitchen and exercising. I like her because she cares and is kind to me.