Question

500-{5[409-(2 mu 3 x 3 - 21) mu 2]+10 mu 3}:15

Answer 1

\(500-\left\{5\left[409-\left(2^3.3-21\right)^2\right]+10^3\right\}\div15\)

\(=500-\left\{5\left[409-\left(24-21\right)^2\right]+10^3\right\}\div15\)

\(=500-\left\{5\left[409-3^2\right]+10^3\right\}\div15\)

\(=500-\left\{5\left[409-9\right]+10^3\right\}\div15\)

\(=500-\left\{5.400+10^3\right\}\div15\)

\(=500-\left\{2000+10^3\right\}\div15\)

\(=500-\left\{2000+1000\right\}\div15\)

\(=500-3000\div15\)

\(=500-200\)

\(=300\)

 

Answer 2

500 - {5 [409-(2³ x 3 - 21)²]+10³ }:15

= 500 - {5 [409 - (8 x 3 - 21)² + 10³ } :15

= 500 - {5 [409 - ( 24 - 21)² + 10³ } :15

= 500 - {5 [409 - 3² + 10³ } : 15

= 500 - {5 [409 - 9 + 1000 } : 15

= 500 - {5. 1400 } : 15

= 500 - 7000 : 15

= 500 - 1400/3

= 100/3

Answer 3

@Ry

#17

500 - { 5.[ 409 - ( 2³ x 3 - 21) ²] + 10³} : 15

= 500 - { 5. [ 409 - ( 8 x 3 - 21) ²] + 10³} : 15

= 500 - { 5. [ 409 - ( 24 - 21) ²] + 10³} : 15

= 500 - { 5. [ 409 - 3²] + 10³} : 15

= 500 - { 5. [ 409 - 9] + 10³} : 15

= 500 - { 5. 400 + 10³} : 15

= 500 - { 2000 + 10³} : 15

= 500 - { 2000 + 1000} : 15

= 500 - 3000 :15

= 500 - 200

= 300