若[tex=3.429x1.214]3w5dWRi3MHNl0dLqyX7EMw==[/tex],试证:[tex=10.071x1.5]FU/JTI/eBD/FKXlLscYPjngKH3UBObl7z5VKJLFKsZjyYFJOV857O3Uc0PqIgWFW[/tex]。
证明:[tex=25.071x6.5]a0s3MH7cLIdmiBRR0YN06ycitbKQ+MUT/HafZKixTfg/DpIA2hKhpP8zy2aCFZYMf4fIbfEd0yfcKiKfg2P4u3JnSuuaSZxd4tei4QhS6nr+gKkf0cX8E74ytHQ5KkjlzKDaluY7FDVAcWzWhLzKyE8gPQHUtoECKryziwLJSb6mm2alZs1sAlL7VrlFavl+r9fcK1+b4gUwZOIzAyvsu6v3aNpw7TFAKQ4EiwqklITWpzK7kY7IilpgzwfDNN+X0Ich+7yjjGNi7M0trIvC61Yv++tXVLBtLM0sC16CMin5scXalHZEbSECm3cK3+i0O3vLY9uQlS/DAq/pmVAoWgzKlho2vfDiUBddsoULPN3r4C5nt+G9qIJd12CMZ3QT[/tex]
举一反三
- 证明:[tex=10.071x1.5]FU/JTI/eBD/FKXlLscYPjpcH+WMB3IJYhczx68UTRyp5ezi7TXy09x12w4Rmpaug[/tex].
- 若[tex=3.429x1.214]3w5dWRi3MHNl0dLqyX7EMw==[/tex],试证:[tex=14.643x1.214]MpHtWQPRE4vWYVMQxeW8YLyYF3idzkyZKrhOVr+fOfmgGXwRcL6XIJMI71MO5mo4TKpFEgFHTMlVCjK6FKm5wQ==[/tex]。
- 若 [tex=3.429x1.214]D7xBLkA5QRQfqmW/7gxMaCdldHZMu9ooIsl6oQ7FKVM=[/tex], 试证:[tex=10.071x1.5]qAp91+k89X+Sx7awQikdVo22LIQg8NLOkos8y87PcPU5RPGEAA7L+0j5vMC4hGDF[/tex]
- 阅读下面的java语言代码,输出结果是( )。 int x, y = 1, z=0; if( z < 0 ) x= 3; else if ( y == 0 ) x= 5; else x= 7; System.out.println(x+”,”+ y); A: 7, 0 B: 7, 1 C: 3, 3 D: 以上都不正确
- 下面的C语言代码,输出结果是:( )int x, y, z;y=1;z=0;if ( z <; 0 ){x = 3;}else if ( y = = 0 ){x = 5;}else{x = 7;}printf("x=%d",x); A: x=3 B: x=5 C: x=7 D: x为随机数
内容
- 0
intx=5,y=8,z=7;表达式z=!(x>y)||(x=1,y=3)计算后的结果 A: x=1,y=3,z=1 B: x=1,y=3,z=0 C: x=5,y=8,z=0 D: x=5,y=8,z=1
- 1
set1 = {x for x in range(10) if x%2!=0} print(set1) 以上代码的运行结果为? A: {1, 3, 5, 7, 9} B: {1, 3, 5, 7} C: {3, 5, 7, 9} D: {3, 5, 7}
- 2
set1 = {x for x in range(10) if x%2!=0} set1.remove(1) print(set1) 以上代码的运行结果为? A: {1, 3, 5, 7, 9} B: {1, 3, 5, 7} C: {3, 5, 7, 9} D: {3, 5, 7}
- 3
若[tex=3.929x1.214]uMYsd4qTfxa+0n8rNwmwsg==[/tex],试证:[tex=10.071x1.5]qAp91+k89X+Sx7awQikdVo22LIQg8NLOkos8y87PcPU5RPGEAA7L+0j5vMC4hGDF[/tex]。
- 4
设X,Y为两个随机变量,且P{X ³0,Y ³ 0} = 3/7 , P{X ³ 0} = P{ Y ³ 0} = 4/7 ,则P{max(X, Y) ³ 0} = ( ). A: 1/7 B: 3/7 C: 4/7 D: 5/7