![](https://rs.olm.vn/images/avt/0.png?1311)
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
a) 24 +117 + 115 + 176 + 83
=(24+176)+(117+83)+115
= 200+200+115
=515
b) 17.57 + 43.17 + 29
=17.(57+43)+29
=17.100+29
=1700+29
=1729
c) 47.164 + 164.53 + 5 . 43
=164.(47+53)+5.64
=164.100+320
=16400+320
=16720
d)194.12 + 6.437.2 + 3.369.4
=194.12 + 437.12 + 369.12
=12.(194+437+369)
=12.1000
=12000
![](https://rs.olm.vn/images/avt/0.png?1311)
E=194.12+12.437+12.369
E=12.(194+369+437)
E=12.1000
E=12000
194.12+6.437.2+3.369.4=194.12+437.12+369.12
=12,(194+437+369)=12.1000=12000
![](https://rs.olm.vn/images/avt/0.png?1311)
a, A = 3 2 . 5 2 . 4 3 : 2 3 . 3 2 . 2005 0
= 3 2 . 5 2 . 2 6 : 2 3 . 3 2 . 1
= 3 . 5 2 . 2 3 = 3.25.8 = 600
b, B = 194.12+6.437.2+3.369.4
= 194.12+437.12+369.12
= 12.(194+437+369)
= 12.1000 = 12000
c, C = 5 16 + 16 5 3 17 - 3 10 2 4 - 4 2
= 5 16 + 16 5 3 17 - 3 10 4 2 - 4 2
= 5 16 + 16 5 3 17 - 3 10 . 0 = 0
d, D = 5 2007 - 5 2006 : 5 2005 . 5
= 5 2007 - 5 2006 : 5 2006
= 5 2006 . 5 - 1 : 5 2006 = 4
![](https://rs.olm.vn/images/avt/0.png?1311)
27.((-75)-25) -150
=27.(-100)-150
=-2850
194.12+(6.2).437+(3.4).369
12.(194+437+369)
=12.1000=12000
![](https://rs.olm.vn/images/avt/0.png?1311)
a: \(=\dfrac{5^4\left(75+175\right)}{5^6\cdot4-5^4\cdot5^2\cdot3}=\dfrac{5^4\cdot250}{5^6}=10\)
b: \(=\dfrac{3^2\cdot5^2\cdot2^6}{2^3\cdot3^2}=\dfrac{5^2\cdot2^3}{1}=25\cdot8=200\)
c: \(=\dfrac{\left(3\cdot2^{18}\right)^2}{11\cdot2^{13}\cdot2^{22}-2^{36}}\)
\(=\dfrac{3^2\cdot2^{36}}{11\cdot2^{35}-2^{36}}=\dfrac{3^2\cdot2^{36}}{2^{35}\left(11-2\right)}=2\)
d: \(=12\left(194+437+369\right)=12000\)
e: \(=A\cdot\left(91-91\right)=0\)
![](https://rs.olm.vn/images/avt/0.png?1311)
b) 45^2+45.55
=45.45+45.55
=45.(45+55)
=45.100=4500
TÌM X
gọi A=1+5+5^2+....+5^100
=> 5A=5+5^3+...+5^101
=>5A-A= 5^101-1
=>4A= 5^101-1
=>A= 5^101-1:4
TUI ĐANG VỘI NÊN CHỈ GIÚP ĐƯỢC ĐẾN ĐÂY. NHƯNG BÀI TUI LÀM ĐÚNG CHUẨN LUÔN ĐẤY!
17 *75 +25.17-34.25
=17.75+25.17-17.2.25
=17.75+25.17-17.50
=17(75+25-50)
=17.50
=850
17.75+25-34.25
17.(75+25)-34.25
17.100-17.2.25
17.100-17.50
17.(100-50)
17.50
850