script> let a = 10; { let a = 100; console.log(a)//(1) } console.log(a)//(2)

Let A be a 2×2 matrix. If tr(A) = 8 and det(A) = 12,the eigenvalues of A is .

对变量赋值正确的是（ ）。 A: SET @a=2 B: @a=2 C: LET @a=2 D: PRINT @a=2

The new house will . A: be let B: be to let C: let D: to be let

【填空题】When I find myself in times of , Mother Mary comes to me Speaking words of , let it be And in my hour of she is standing right in front of me Speaking words of wisdom, let it be Let it be, let it be, let it be, let it be Whisper words of wisdom, let it be And when the people living in the world agree There will be an , let it be For though they may be , there is still a chance that they will see There will be an answer, let it be Let it be, let it be, let it be, let it be

Let A be a 4 by 3 matrix, and r(A)=2, and B is an invertible matrix, then r(AB)=______

Let $y=x^{2}\sin{x}$ Solve $y^{(6)}(0)=$:<br/>______

(2)Let me help you with your luggage. 让我帮您提行李。

let &#91;a, ...b&#93; = &#91;1, 2, 3&#93;;运行代码b的值是() A: 错误 B: 2 C: [2] D: [2,3]

Swim, let nature cleanse your heart; read, let the words warmyour stillness; keep a raise, let free conditioning your exhaustion; put out of your mind, let things. Fun, let laughteraround your heart; sing, let the song express your memories; let a let, let pass to retain your tolerance; say, let you unlock your doubts; look, let the distance from your hope.