450:[550-(4.5\(^3\)-2\(^2\).25)]
100 : { 250 [ 450 - ( 4.5^3 - 2^2 .25) ]} = ??
\(=100:\left\{250\left[450-\left(4\cdot125-4\cdot25\right)\right]\right\}\\ =100:\left[250\left(450-400\right)\right]\\ =100:\left(250\cdot50\right)=100:12500=12,5\)
100 : { 250 [ 450 - ( 4.5^3 - 2^2 .25) ]} = 12,5
=100:{250.[450-(4.125-4.25)]}
=100:{250:[450-400]}
=100:{250:50}
=100:5
=20
100:{250:[450-(4.5\(^3\)-2\(^3\).25)]}
giúp mình nha
\(=100:\left[250:\left(450-300\right)\right]\)
\(=100:\left(250:150\right)\)
\(=100:250\cdot150\)
\(=\dfrac{20\cdot5\cdot50\cdot3}{5\cdot50}\)
\(=60\)
a [-7]+3.[-25]
b [-2].3mũ 2+[-4]-5.0+7.1
c 100;[250;[450-[4.5 mũ 3 -2 mũ 2 ..25]
d. 1000 : {250:[450-(4.5 mũ 3 - 2 mũ 2 .25]}
d, \(1000:\left\{250:\left[450-\left(4.5^3-2^2.25\right)\right]\right\}\)
\(=1000:\left\{250:\left[450-\left(4.125-4.25\right)\right]\right\}\)
\(=1000:\left\{250:\left[450-4.\left(125-25\right)\right]\right\}\)
\(=1000:\left[250:\left(450-400\right)\right]\)
\(=1000:\left(250:50\right)=1000:5=200\)
Chúc bạn học tốt!!!
Ta có : \(1000:\left\{250:\left[450-\left(4.5^3-2^2.25\right)\right]\right\}\)
\(=1000:\left\{250:\left[450-\left(4.5^3-4.5^2\right)\right]\right\}\)
\(=1000:\left\{250:\left[450-4.5^2\left(5-1\right)\right]\right\}\)
\(=1000:\left[250:\left(450-400\right)\right]\)
\(=1000:\left(250:50\right)\)
\(=1000:5=200\)
Chúc bạn học tốt ^^
\(1000:\left\{250:\left[450-\left(4.5^3-2^2.25\right)\right]\right\}\)
\(=1000:\left\{250:\left[450-\left(4.125-4.25\right)\right]\right\}\)
\(=1000:\left\{250:\left[450-4.\left(125-25\right)\right]\right\}\)
\(=1000:\left[250:\left(450-400\right)\right]\)
\(=1000:\left(250:50\right)\)
\(1000:5=200\)
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
100 : {300 :[450 -(4.53- 23.25)]}
Là :
= 100 : {300 : [450 - (500-200)]}
= 100 : {300 : [450-300]}
= 100 : {300 : 150}
= 100 : 2
= 50
cảm ơn các bạn nhiều nha
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 :
100:{250:[450-(4.53-22.25)]}
100:{250:[450-(4.5^3-2^2.25)]}
=100:{250:[450-(4.125-4.25)]}
=100:{250:[450-(500-100)]}
=100:{250:[450-400]}
=100:{250:50}
=100:5
=20
~Chúc học tốt!~
\(100:\left\{250:\left[450-\left(4.5^3-2^2.25\right)\right]\right\}\)
= \(100:\left\{250:\left[450-\left(2^2.5^3-2^2.5^2\right)\right]\right\}\)
= \(100:\left\{250:\left[450-2^2.5^2\left(5-1\right)\right]\right\}\)
= \(100:\left[250:\left(450-100.4\right)\right]\)
=\(100:\left(250:50\right)\)
= \(100:5\)
= \(20\)
Thực hiện phép tính:
15 . { 550 : [ 450 - ( 3 . 5^3 - 2^3 . 25 ) ] }
+ Nêu hết đáp án
+ Ko có trên mạng
15.{550: [450-(3.5^3-2^3.25)]}
= 15.{550: [ 450-(3.125-8.25)]}
= 15.{550:[ 450-( 375-200)]}
= 15.{550:[450- 175]}
=15.{550: 275}
= 15. 2
= 30
15 . { 550 : [ 450 - ( 3 . 53 - 23 . 25 )]}
= 15 . { 550 : [ 450 - ( 3 . 125 - 8 . 25 )]}
= 15 . { 550 : [ 450 - ( 375 - 200 )]}
= 15 . { 550 : [ 450 - 175 ]}
= 15 . { 550 : 275 }
= 15 . 2
= 30.
#Y/n
15 . { 550 : [ 450 - ( 3 . 5^3 - 2^3 . 25 ) ] }
= 15 . { 550 : [ 450 - ( 3. 125 - 8 .25 )]}
= 15 . { 550 : [ 450 - ( 375 - 200 )]}
= 15 . { 550 : [ 450 - 175 ] }
= 15 . { 550 : 275 )
= 15 . 2
= 30