

Nguyễn Ngọc Ngân
Giới thiệu về bản thân



































A) (454 - x)+4.4.4=116
(454-x)+64=116
454-x. =116-64
454-x. =52
X. =454-52
X. =402
B) x+1 thuộc Ư(15)
Ư(15)={1;-1;5;-5;3;-3;15;-15}
->X={0;-2;4;-6;2;-4;14;-16}
A) Where do you like?
-I like Tam Dao and Hai Phong
What is famous for?
- It is famous for beautiful beaches and fresh seafood
What should you bring?
-I bring a camera , sun cream and swimwear
What do you eat?
I eat sea food and icecream
What do you do?
I explore the town , swim , sunbathe , built sandcastles and take a boat trip
A) (-127-73)+(208+92)
=-200+300
=100
B) 2353-473-2153-55+373
=(2353-2153)-(473-373)-55
=200-100-55
=100-55
=45
A) (-127-73)+(208+92)
=-200+300
=100
B) 2353-473-2153-55+373
=(2353-2153)-(473-373)-55
=200-100-55
=100-55
=45
A) Gọi số người đội đó là x (người) x=N*; 150《x《200
Vì
X:4
X:5. =>x=BC (4;5;6)
X:6
Ta có
4=2.2
5=5
6=2.3
BCNN(4;5;6)=2.2.3.5=60
=>X=B(30)={0;60;120;180;...}
MÀ 150《x《200
->x={180}
Vậy đội đó có 180 người
B) hiện tại con cá chuồn chuồn đang ở vị trí là
-165+285=120 (cm)
Đ/s : 120 cm
X=-4+(-3)+(-2)+(-1)+0+1+2+4+5
X=(-4+4)+(-3+3)+(-2+2)+(-1+1)+5
X=0+0+0+0+5
X=5
=16.(-3)-[(-93)+(-11+8)3]
=16.(-3)-[(-93)+27]
=-48-(-66)
=48+66
=114
*=3
A=(2011+2019)+(2012+2018)+(2013+2017)+(2014+2016)+2015
A=4030+4030+4030+4030+2015
A=16120+2015
A=18135
- my best friend is very beautiful with long black hair and oval face
- yes, l do
- my favourite room in my house is my bedroom
- l live in an apartment
- my neighbourhood is very convenient
- yes, l can
Ha long bay
- l want to visit is because is very beautiful