

Sần Gia Như
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1. My sister loves painting. She paints every weekend in her room. She likes to use bright colours and paints flowers and animals. Sometimes, she goes to art classes to leam new techniques. Her favourite colour is blue, she often paints the sky. Her panitings are very beautiful. I enjoy watching her paints because she is very creative and happy when she is working on her art.
2. There is some advice on how to stay healthy. First, you should eat good food. Eat fruits and vegetables every day and drink plenty of water. Second, exercise is important, so try to walk or play sports for 30 minutes. Finally, sleep weli at night to feel good in the morning. It is also good to be happy and spend time with friends and family. Follow these tips to stay healthy and strong!
3. Hi Sam,
There are good things. Last summer, I did some volunteer activities. I helped clean the park in my neighbourhood. We picked up trash and planted followers. It was fun to work with my friends and meet new people. I also volunteered at a local animal shelter. I fed the animals and played with them. I felt happy to help.
I can't wait to heat about your summer!
Best,
Nhu
1. Reuse means using something again instead of throwing it away.
2. Did your school organise a donation last winter?
1. My morther is fond of going jogging in the morning.
2. My sister finds it difficult to lift weights.
3. We collected plastic bottles and sent them to the factory.
1.
- ACD, ABF, CEF, BED.
2.
a) là 5 cm
b) là 6,5 cm
Bài giải:
Chiều dài đám đất là:
60 . 4/3 = 80 (cm)
Diện tích đám đất là:
80 . 60 = 4800 (cm2)
Diện tích trồng cây là:
4800 . 7/12 = 2800 (cm2)
Diện tích đào ao là:
(4800 - 2800) . 30 : 100 = 600 (cm2)
Đáp số: 600 cm2.
a) -2/11
b) 7
a) >
b) =
Vì 2012 hơn 2021 một đơn vị còn 2018 lại kém 2019 một đơn vị nên 2012 + 2018 = 2011 + 2019.
Tương tự, 2014 + 2016 = 2013 + 2017 = 2012 + 2018 = 2011 + 2019 = 4030.
Sử dụng tính chất giao hoán và tính chất kết hợp của phép cộng viết lại tổng, cần tính thành:
= 4030 + 4030 + 4030 + 4030 + 2015 = 4 . 4030 + 2015 = 18 135.
Vì 20213 > 20123 nên -20213 < -20123.
Khi * là các chữ số 0;2;4;6;8 thì số 2* chia hết cho 2.
Khi * là các chữ số 1;7 thì soó 2* chia hết cho 3.
Khi * là các chữ số 5 thì số 2* chia hết cho 5 nên số 2* là hợp số.
Khi * là 3 hoặc 9 thì 2* là 23 hoặc 29 là các số nguyên tố.