17 64 - ( 5 - 6036 )=
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)
Bài làm
2012 x 0,86 + 0,14 x 6036 + 0,85 x 4024 + 2012 x 7,02
= 2012 x 0,86 + 0,42 x 2012 + 1,7 x 2012 + 2012 x 7,02
= 2012 x ( 0,86 + 0,42 + 1,7 + 7,02 )
= 2012 x 10
= 20120
2012 x 0,86 + 0,14 x 6036 + 0,85 x 4024 + 2012 x 7,02
= 2012 x 0,86 + 0,42 x 2012 + 1,7 x 2012 + 2012 x 7,02
= 2012 x ( 0,86 + 0,42 + 1,7 + 7,02 )
= 2012 x 10
= 20120
Study well ! >_<
![](https://rs.olm.vn/images/avt/0.png?1311)
2012 x 0,86 + 0,14 x 6036 + 0,85 x 4024 + 2012 x 7,02
= 2012 x 0,86 + 0,14 x 2012 x 3 + 0,85 x 2012 x 2 + 2012 x 7,02
= 2012 x 0,86 + 0,42 x 2012 x 1,7 x 2012 + 2012 x 7,02
= 2012 x ( 0,86 + 0,42 + 1,7 + 7,02
= 2012 x 10
= 20120
![](https://rs.olm.vn/images/avt/0.png?1311)
13 + 21.5 - (198 : 11 - 8)
= 13 + 105 - 10
= 108
272 : 16 - 5 +4 (30 - 5 - 255 : 17)
= 17 - 5 + 4. ( 30 - 5 - 15 )
= 16 . 10
= 160
15.24 - 14.5 (145 : 5 - 27)
= 360 - 70 ( 29 - 27 )
= 290 . 2
= 580
18.3 - 18.2 + 3 (51 : 17)
= 54 - 36 + 3 . 3
= 54 - 36 + 9
= 27
(64 + 115 + 36) - 25.8
= 215 - 200
= 15
15.8 - (17 - 30 + 83) - 144 : 6
= 120 - 70 - 24
= 26
250 : 50 - (46 - 75 + 54) : 5
= 5 - 25 : 5
= 5 - 5
= 0
13 (17 - 95 + 83) : 5 - 18 : 9
= 13. 5 : 5 - 2
= 65 : 5 - 2
= 13 - 2
= 11
140 - 180(47 - 90 + 43) + 7
= 140 - 180 . 0 + 7
= 140 + 7
= 147
24 (15 + 30 + 85 - 120):10
= 24. 10 : 10
= 240 : 10
= 24
27 + 73 - 30 : (25 -10)
= 27 + 73 - 30 : 15
= 27 + 73 - 2
= 98
18 - 4 (27 - 90 + 73) : 10
= 18 - 4. 10 : 10
= 18 - 40 : 10
= 18 - 4
= 14
Bài 2: Tính
140 - [ 25 : (4 mũ 2 - 11) + 4 ]
= 140 - [25 : (16 - 11) + 4 ]
= 140 - [ 25 : 5 + 4 ]
= 140 - [ 5 + 4]
= 140 - 9
= 131
![](https://rs.olm.vn/images/avt/0.png?1311)
17 x 3/ 60 x 3 = 51/180
-5 x10/18 x 10 = -50/180
-64 x2/90 x2 = -128/180
\(\dfrac{17}{60};\dfrac{-5}{18};\dfrac{-64}{90}\) MSC : 180
\(\dfrac{17}{60}=\dfrac{17\cdot3}{60\cdot3}=\dfrac{51}{180}\)
\(\dfrac{-5}{18}=\dfrac{\left(-5\cdot10\right)}{18\cdot10}=\dfrac{-50}{180}\)
\(\dfrac{-64}{90}=\dfrac{\left(-64\cdot2\right)}{90\cdot2}=\dfrac{-128}{180}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
ta có : \(\frac{17}{60};\frac{-5}{18};\frac{-64}{90}=\frac{-32}{45}\) ( MC : 180 )
quy đồng : \(\frac{17}{60}=\frac{17.3}{60.3}=\frac{51}{180};\frac{-5}{18}=\frac{-5.10}{18.10}=\frac{-50}{180};\frac{-32}{45}=\frac{-32.4}{45.4}=\frac{-128}{180}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\dfrac{\left(x+3\right)^5}{\left(x+3\right)^2}=\dfrac{64}{27}\)
\(\Leftrightarrow x+3=\dfrac{4}{3}\)
hay \(x=-\dfrac{5}{3}\)
17 64 - ( 5 - 6036 )
= 1764 - (-6031)
= 7795
1764 - ( 5 - 6036 )
= 1764 - -6031
= 7795
Tk mk nha