A、a、cB、a、dC、b、cD、b、d
A、a、cB、a、dC、b、cD、b、d
汉字“人”的内码是1100100011001011,那么它的十六进制编码是( ) [br][/br] A. B8 CB B. B8 BA C. D8 DC D.C8 CB A: B8 C8 B: B8 BA C: D8 DC D: C8 CB
汉字“人”的内码是1100100011001011,那么它的十六进制编码是( ) [br][/br] A. B8 CB B. B8 BA C. D8 DC D.C8 CB A: B8 C8 B: B8 BA C: D8 DC D: C8 CB
采用测回法观测水平角,测3个测回,每测回盘左起始读数,可能是()。 A: 0° 02′18″, 60°01′24″, 120°03′24″ B: 0° 02′18″, 30°01′24″, 90°03′24″ C: 0° 02′18″, 45°01′24″, 90°03′24″ D: 0° 02′18″, 90°01′24″, 180°03′24″
采用测回法观测水平角,测3个测回,每测回盘左起始读数,可能是()。 A: 0° 02′18″, 60°01′24″, 120°03′24″ B: 0° 02′18″, 30°01′24″, 90°03′24″ C: 0° 02′18″, 45°01′24″, 90°03′24″ D: 0° 02′18″, 90°01′24″, 180°03′24″
标准体型分类代号是()。 A: AY B: BA C: CB D: DC
标准体型分类代号是()。 A: AY B: BA C: CB D: DC
file:///F:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtml1/01/clip_image002.gif
file:///F:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtml1/01/clip_image002.gif
1,16,27,16,5,______ A: 24 B: 30 C: 1 D: 9
1,16,27,16,5,______ A: 24 B: 30 C: 1 D: 9
设n阶矩阵\(A,B,C,D\)满足\(ABCD=I\),则 A: \((CB)^{-1} = CDADAB\) B: \((CB)^{-1} = DA\) C: \((CB)^{-1} = AD\) D: \((CB)^{-1} = DABCDA\)
设n阶矩阵\(A,B,C,D\)满足\(ABCD=I\),则 A: \((CB)^{-1} = CDADAB\) B: \((CB)^{-1} = DA\) C: \((CB)^{-1} = AD\) D: \((CB)^{-1} = DABCDA\)
以4,9,1为为插值节点,求\(\sqrt x \)的lagrange的插值多项式 A: \( {2 \over {15}}(x - 9)(x - 1) + {3 \over {40}}(x - 4)(x - 1) + {1 \over {24}}(x - 4)(x - 9)\) B: \( - {2 \over {15}}(x - 9)(x - 1) + {3 \over {40}}(x - 4)(x - 1) + {1 \over {24}}(x - 4)(x - 9)\) C: \( - {2 \over {15}}(x - 9)(x - 1) + {3 \over {40}}(x - 4)(x +1) + {1 \over {24}}(x - 4)(x - 9)\) D: \( - {2 \over {15}}(x - 9)(x - 1) + {3 \over {40}}(x - 4)(x - 1) - {1 \over {24}}(x - 4)(x - 9)\)
以4,9,1为为插值节点,求\(\sqrt x \)的lagrange的插值多项式 A: \( {2 \over {15}}(x - 9)(x - 1) + {3 \over {40}}(x - 4)(x - 1) + {1 \over {24}}(x - 4)(x - 9)\) B: \( - {2 \over {15}}(x - 9)(x - 1) + {3 \over {40}}(x - 4)(x - 1) + {1 \over {24}}(x - 4)(x - 9)\) C: \( - {2 \over {15}}(x - 9)(x - 1) + {3 \over {40}}(x - 4)(x +1) + {1 \over {24}}(x - 4)(x - 9)\) D: \( - {2 \over {15}}(x - 9)(x - 1) + {3 \over {40}}(x - 4)(x - 1) - {1 \over {24}}(x - 4)(x - 9)\)
Read the following JavaScript code: function f(y) { var x=y*y; return x; } for(x=0;x< 5;x++) { y=f(x); document.writeln(y); } The output is ( ). A: 01 2 3 4 B: 0 1 4 9 16 C: 0 1 4 9 16 25 D: None of the above answers are correct
Read the following JavaScript code: function f(y) { var x=y*y; return x; } for(x=0;x< 5;x++) { y=f(x); document.writeln(y); } The output is ( ). A: 01 2 3 4 B: 0 1 4 9 16 C: 0 1 4 9 16 25 D: None of the above answers are correct
二进制数11001011所对应的十六进制数是 A: CB B: DC C: BC D: CD
二进制数11001011所对应的十六进制数是 A: CB B: DC C: BC D: CD