hello everyone,my name is Nam.Today i will show you my neighbourhood and now let's do it.in my neighborhood is so peaceful ,fresh air and wide way,people aslo friendly and kind.there are many grocery,chemist and a landscape.now is ended my paragraph aslo the neighborhood is so beutiful you can visit it.

i live in Sai Son,Quoc Oai ,Ha Noi 

2.my house has 11 rooms.It's 3 bedrooms,a kitchen,a garage,3 bathrooms and a attic

3.my favourite is bedroom,because my bedroom is so private and i can sleep at my bed,i can watch video in my room.

i don't know what i need to my neighbourhood but it's so quiet ,some pollution and it so large and i ca't see all my neighbourhood.sorry i can't enough time to look my neighbourhood.but the last i end the paragraph,my neighbour in my neighbouhood is so friendly,helpful.thank you for read my paragraph and next time i will show you all in my neighbourhood,goodbye

a)(25+75)+(36+64)+99

=100+100+99

=299

b)1+3.[25.10-100]

=1+3.[2500-100]

=1+3.2400

=1+7200

=7201

c)16.(65+35)-1500

=16.100-1500

=1600-1500

=100

số hs gioi là:

40:7/20=14(hs)

số hs tb là:

40:8=5(hs)

số hs khá là:

14+5=19(hs)

số hs yếu là:

40-(14+5+19)=2(hs)

d/s:14 hs giỏi

     5 hs tb

     19 hs khá

      2 hs yếu

a)=-14/3

b)=1

c)=6/5

10|2                                  12|2

5|5                                      6|2

1|                                         3|3

                                             1|

lần sau rời cùng lúc : 2² =4 phút