Coin Hunter
Giới thiệu về bản thân
1. A. books B. pencils C. rulers D. bags
2. A. read B. teacher C. eat D. ahead
3. A. tenth B. math C. brother D. theater
4. A. has B. name C. family D. lamp
5. A. does B. watches C. finishes D. brushes
6. A. city B. fine C. kind D. like
7. A. bottle B. job C. movie D. chocolate
8. A. son B. come C. home D. mother
\(1+2=3\)
\(1,42=\dfrac{142}{100}=\dfrac{71}{50}\)
\(177:17-96:17+21:17=\left(177-96+21\right):17=102:17=6\)
1+2 = 3
3+4 = 7
5-1 = 4
2+3 = 5
\(a.\text{ }SSH\text{ }của\text{ }dãy\text{ }số\text{ }trên\text{ }là:\text{ }\dfrac{34-2}{1}+1=33\left(số\text{ }hạng\right)\\ b.\text{ }Tổng\text{ }cuả\text{ }dãy\text{ }số\text{ }trên\text{ }là:\text{ }\dfrac{34+2}{2}\times33=594\)
Vậy ....
\(a\text{)}\text{ }48725\times1875-48725\times875\\ =48725\times\left(1875-875\right)\\ =48725\times1000=48725000\)
Câu b giống câu a
a