37581-9999=37581-10000+1=27581+1=27582
7345-1998=7345-2000+2=5345+2=5347
485321-99999=485321-100000+1=385321
7593-1997=7593-2000+3=5593+3=5596
997+96=997+3+93=1000+93=1093
$\text{37581 - 9999 }$
$\text{= 37582 - 10000}$
$\text{= 27582}$
-------------------------
$\text{7345 - 1998}$
$\text{= 7347 - 2000}$
$\text{= 5347}$
---------------------------
$\text{485321 - 99999}$
$\text{= 485322 - 100000}$
$\text{= 385322}$
--------------------------
$\text{7593 - 1997}$
$\text{= 7596 -2000}$
$\text{=5596}$
$\text{997 + 96}$
$\text{= 993 +100}$
$\text{= 1093}$
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VIII. Rewrite the second sentence so that it has a similar meaning to the first one. 1. Motorbikes go more slowly than cars. Cars ……………………………………………………………………………………… 2. The Tay have lived in Vietnam for thousands of years. How long………………………………………………………………………………..? 3. Mary is the most intelligent in my group. No one ……………………………………………………………………………………. 4. We usually visit the museum when we have leisure time. We fancy ………………………………………………………………………………….. 5. He uses all his time to look after the garden. He spends ……..................................................................................................................... 6. Jack’s friend drives more carefully than Jack. Jack ……………………………………………………………..………………………… 7. We can find terraced fields in the northern mountainous regions. Where ………………………………………………………………….…………………. 8. Life in the countryside isn’t as stressed as life in the city. Life in the city…………………………………………………………………………….
Cho hình vuông ABCD ,Lấy M,N trên cạnh AB , BC sao cho AM < MB , AM = BN a/C/minh AN vuông góc với DM giúp e với plssssssssssss :<
Giúp em làm bài này với ạ (hết cả tờ luôn ạ)
một số tự nhiên có 2 chữ số trong đó chữ số hàng chục gấp 3 lần chữ số hàng đơn vị nếu đổi chỗ chữ số ta được một số mới có 2 chữ số nhỏ hơn số ban đầu là 18 đơn vị Tìm số đó
Câu III: Tìm 1 lỗi sai trong 4 phần gạch chân trong các câu sau đây: 1. She must have her reasons where she doesn’t want to tell. A B C D 2. In spite of my father is old, he still goes to work. A B C D 3. That is the boy whom Marry wants to marry him. A B C D 4. He gave me some very valuable advices on buying a new house. A B C D
Giải giúp mình với mình cảm ơn trc ạ Và Why ở mỗi câu
VI. Read the passage and circle T (true) or F (false). The effects of computers on children Computers have some good effects on children. Many learning software programmes help them learn vocabulary, Math, English, typing and many more. A lot of computer games help children learn foreign languages. They learn and have fun at the same time. Also, children can share their ideas with their friends on the Internet. That means they can communicate online. However, there are some bad effects of computers on them. Children probably become addicted to computer games. Most children spend too much time in front of their computer playing computer games. They don't have time for any physical activities. Another bad thing is that using computers too much is harmful to their eyes. If children do this, they may wear near-sighted glasses. 1. Children cannot learn vocabulary with learning software programmes. ……….. 2. Children can learn a foreign language with computer games. ……….. 3. Children cannot communicate on the Internet. ……….. 4. Children may wear near-sighted glasses if they don't use computers very often. ………. 5. Some learning software programmes don't help children with typing. ………… 6. Children can let their friends know their ideas online. ………… 7. Children have much time to do exercises. ………… 8. Children's eyes will get worse if they use computers too much. …………
viết 1 bài văn tả 1 bức tranh em thích nhanh luôn nha mn mình chiều 6h nộp r
vẽ mầm.ko app NL:Cho ng mê trai:V
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