12 mũ 2 + 2 . { 12 – [ 15 – ( 13 – 11 mũ 3 ) ] } 03/08/2021 Bởi Abigail 12 mũ 2 + 2 . { 12 – [ 15 – ( 13 – 11 mũ 3 ) ] }
`12^2 + 2. {12 – [ 15 – (13 – 11^3)]}` = `144 + 2. [ 12 – ( 15 – 13 + 1331 )]` = `144 + 2. (12 – 1333)` = `144 – 2. 1321` = `144 – 2642` = `-2498` Bình luận
$12² + 2{12 – [15 – (13 – 11³)]}$ $= 12² + 2[12 – (15 – 13 + 11³)]$ $= 12² + 2[12 – (2 + 11³)]$ $= 12² + 2(10 – 11³)$ $= 12² + 20 – 2.11³$ $= 144 + 20 – 2.1331$ $= 164 – 2662$ $= -2498$ Bình luận
`12^2 + 2. {12 – [ 15 – (13 – 11^3)]}`
= `144 + 2. [ 12 – ( 15 – 13 + 1331 )]`
= `144 + 2. (12 – 1333)`
= `144 – 2. 1321`
= `144 – 2642`
= `-2498`
$12² + 2{12 – [15 – (13 – 11³)]}$
$= 12² + 2[12 – (15 – 13 + 11³)]$
$= 12² + 2[12 – (2 + 11³)]$
$= 12² + 2(10 – 11³)$
$= 12² + 20 – 2.11³$
$= 144 + 20 – 2.1331$
$= 164 – 2662$
$= -2498$