Tính 100-{[130-(12-4)4]}
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: \(=\dfrac{3}{2}\cdot\dfrac{4}{3}\cdot...\cdot\dfrac{2001}{2000}=\dfrac{2001}{2}\)
b: \(=101\left(34+13-27\right)=101\cdot20=2020\)
c: \(=24\%+8\%+59\%+9\%=1\)
![](https://rs.olm.vn/images/avt/0.png?1311)
a, 36:{336:[200–(12+8.20)]}
= 36:{336:[200–(12+160)]}
= 36:{336:[200–172]}
= 36:{336:28}
= 36:12 = 3
b, {145–[130–(246–236)]:2}.5
= {145–[130–10:2]}.5
= {145–130}.5
= 20.5 = 100
c, 100:{250:[450–(4. 5 3 – 2 2 .25]}
= 100:{250:[450–400]}
= 100:{250:50}
= 100:5 = 20
d, 798+100:[16–2.( 5 2 –22)]
= 798+100:10
= 798+10 = 808
e, (6954+1525:5+47.19).(29–58.2)
= (6954+1525:5+47.19).0 = 0
f, 2 4 .157– 2 4 .58+16
= 16.(157–58+1) = 1600
![](https://rs.olm.vn/images/avt/0.png?1311)
80 – [130 – (12 - 4)2] = 80 – [130 – 82]
= 80 – [130 - 64] = 80 - 66 = 14
![](https://rs.olm.vn/images/avt/0.png?1311)
\(a,=2^3\left(17-14\right)=2^3\cdot3=24\\ b,=80-\left(130-8^2\right)=80-\left(130-64\right)=80-66=14\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(80-\left[130-\left(12-4\right)^2\right]=80-\left[130-8^2\right]=80-\left[130-64\right]=80-66=14\)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
80 - [ 130 - ( 12 - 4)2 ]
= 80 - [ 130 - 82 ]
= 80 - [ 130 - 64 ]
= 80 - 66
= 14
nha bn