Thực hiện phép tính :
100:{250:[450-(4.53-22.25)]}
Thực hiện phép tính:
a) 36 : 336 : 200 - 12 + 8 . 20
b) 145 - 130 - 246 - 236 : 2 . 5
c) 100 : 250 : 450 - 4 . 5 3 - 2 2 . 25
d) 798 + 100 : 16 - 2 . 5 2 - 22
e) 6954 + 1525 : 5 + 47 . 19 . 29 - 58 : 2
f) 2 4 . 157 - 2 4 . 58 + 16
100 : { 250 :[450- (4.53-22.25)]}
Nhanh giúp mik nha
\(100:\left\{250:\left[450-\left(4\cdot5^3-2^2\cdot25\right)\right]\right\}\)
\(=100:\left\{250:\left[450-\left(4\cdot125-4\cdot25\right)\right]\right\}\)
\(=100:\left\{250:\left[450-\left(500-100\right)\right]\right\}\)
\(=100:\left[250:\left(450-400\right)\right]\)
\(=100:\left(250:50\right)\)
\(=100:5\)
\(=20\)
Thực hiện phép tính:
a)23.15 - [115-(12-5)2 ]
b) 100 : {250 : [450 - (4.53 - 23.25)]}
\(2^3.15-\left[115-\left(12-5\right)^2\right]=8.15-\left[115-7^2\right]=120-\left[115-49\right]=120-66=54\)
\(100:\left\{250:\left[450-\left(4.5^3-2^2.25\right)\right]\right\}=100:\left\{250:\left[450-\left(4.125-4.25\right)\right]\right\}=100:\left\{250:\left[450-\left(500-100\right)\right]\right\}\)
\(=100:\left[250:\left(450-400\right)\right]=100:\left(250:50\right)=100:5=20\)
a,23 . 15 -[115-\((\)12-5)2]
= 8. 15 - [115- 72 ]
=120-[115-49]
=120-66
=54
b, 100:{250:[450-\((\)4.53 - 23.25)]}
=100:{250:[450-\((\)4.125-8.25)]}
=100:{250:[450-\((\)500-300)]}
=100:{250:[450-200]}
=100:{250:250}
=100:1
=100
Thực hiện phép tính: 25.23 - [ 164-(12-4)2 ] + 10.2018.
100: {250:[ 450 - (4.53 - 22 .25) ] }.
32.22-32.19
24 . 5-(131-(13-4)2 )
100:(250:(450-(4.53-22.25)))
( là ngoặc nhọn
( là ngoặc vuông
(là ngoặc tròn
Thực hiện phép tính:
a, 600 : { 450 : 450 - 4 . 5 3 - 2 3 . 5 2 }
b, 18 . { 420 : 6 - 150 - ( 68 . 2 - 2 3 . 5 ) }
a, 600 : { 450 : 450 - 4 . 5 3 - 2 3 . 5 2 }
= 600:{450:[450 - (4.125 - 8.25)]} = 600:{450:[450 - (500 - 200)]}
= 600:{450:[450 - 300]} = 600:{450:150} = 600:3 = 200
b, 18 . { 420 : 6 - 150 - ( 68 . 2 - 2 3 . 5 ) }
= 18.{70 - [150 - (68.2 - 8.5)]} = 18.{70 - [150 - (136 - 40)]}
= 18.{70 - [150 - 96]} = 18.{70 - 54} = 18.16 = 288
Thực hiện phép tính
100:{250:[450-(4.53-22.25)]}
100:{250:[450-(4.53-22.25)}]
=100:{250:[450-(500-100)]}
=100:{250:[450-400]}
=100:{250:50}
=100:5
=20
Thực hiện phép tính:
a)23.15 - [115-(12-5)2 ]
b) 100 : {250 : [450 - (2.53 - 23.25)]}
a) = 8 . 15 - [115- 72 ]
= 8 . 15 - [115- 49 ]
= 120 - 56
= 64
b) = 100 : {250 : [450 - (2.125 - 8.25)]}
= 100 : {250 : [450 - (250 - 200 )]}
= 100 : {250 : [450 - 50]}
= 100 : {250 :400}
= 100 : 0,265
= 0,00265
=
\(a,2^3.15-\left[115-\left(12-5\right)^2\right]\)
\(=8.15-\left[115-\left(12-5\right)^2\right]\)
\(=120-\left[115-7^2\right]\)
\(=120-\left[115-49\right]\)
\(=120-66\)
\(=54\)
\(b,100:\left\{250:\left[450-\left(2.5^3-2^3.25\right)\right]\right\}\)
\(=100:\left\{250:\left[450-\left(2.125-8.25\right)\right]\right\}\)
\(=100:\left\{250:\left[450-\left(250-200\right)\right]\right\}\)
\(=100:\left\{250:\left[450-50\right]\right\}\)
\(=100:\left\{250:400\right\}\)
\(=100:0,625\)
\(=160\)
a: \(2^3\cdot15-\left[115-\left(12-5\right)^2\right]\)
\(=8\cdot15-115+7^2\)
\(=54\)
b: \(100:\left\{250:\left[450-\left(2\cdot5^3-2^3\cdot25\right)\right]\right\}\)
\(=100:\left\{250:\left[450-50\right]\right\}\)
\(=100:\left\{250:400\right\}\)
\(=100:\dfrac{5}{8}=160\)
100: {250 : [ 450 - ( 4.53 - 22 . 25 ) ] }
Đề : thực hiện phép tính giúp mình với cảm ơn nha
\(100:\left\{250:\left[450-\left(4.5^3-2^5.25\right)\right]\right\}\)
\(=100:\left\{250:\left[450-\left(500-800\right)\right]\right\}\)
\(=100:\left\{250:\left[450+300\right]\right\}\)
\(=100:\left\{250:700\right\}\)
\(=100:\frac{5}{14}\)
\(=280\)
100:{250:[450 - ( 4 . 125 - 4.25 )]}
100: { 250: [ 450 - ( 500 - 100 ) ]}
100: {250:[ 450 - 400]
100: { 250 : 50 }
100: 5 = 20