Toán 12 mũ 2 + 2 . { 12 – 3. [ 15 – ( 13 – 11 mũ 3 ) ] } 03/08/2021 By Valerie 12 mũ 2 + 2 . { 12 – 3. [ 15 – ( 13 – 11 mũ 3 ) ] }
12²+2. { 12 – 3. [ 15 – ( 13 – 11³) ] } =144+2. { 12 – 3. [ 15 -13+1331] } =144+2. { 12 – 3.1331 } =144+2. { 12 – 3.1331 } =144+2.(12-3993) =122-7962 =-7840 @htkbaam Trả lời
`12^2 + 2 . { 12 – 3. [ 15 – ( 13 – 11 )^3 ] }` `= 144 + 2 . { 12 – 3. [ 15 – 2^3 ] }` `= 144 + 2 . { 12 – 21 }` `= 144 + 2 . -9 ` `= 144 + ( -18 )` `= 126` Trả lời
12²+2. { 12 – 3. [ 15 – ( 13 – 11³) ] }
=144+2. { 12 – 3. [ 15 -13+1331] }
=144+2. { 12 – 3.1331 }
=144+2. { 12 – 3.1331 }
=144+2.(12-3993)
=122-7962
=-7840
@htkbaam
`12^2 + 2 . { 12 – 3. [ 15 – ( 13 – 11 )^3 ] }`
`= 144 + 2 . { 12 – 3. [ 15 – 2^3 ] }`
`= 144 + 2 . { 12 – 21 }`
`= 144 + 2 . -9 `
`= 144 + ( -18 )`
`= 126`