A: (11/4)-(3/4)log3
B: (11/4)+(3/4)log3
C: (10/4)+(3/4)log3
D: (10/4)-(3/4)log3
A
举一反三
- 求不定积分[img=115x46]17da65382f8e1b9.png[/img]; ( ) A: x - (5*log(x + 1))/4 - (3*log(x - 3)) B: (5*log(x + 1))/4 - (3*log(x - 3)) C: x - (5*log(x + 1))/4 - (3*log(x - 3))/4 D: (5*log(x + 1))/4 - (3*log(x - 3))/4
- 求不定积分[img=121x54]17da653839aa6ae.png[/img]; ( ) A: log(x^2 + 3*x + 25/4)/4 + (5*atan(x/2 + 3/4))/4 B: log(x^2 + 3*x + 25/4)/4 C: (5*atan(x/2 + 3/4))/4 D: log(x^2 + 3*x + 25/4)/4 - (5*atan(x/2 + 3/4))/4
- 下列计算正确的是( ) A: log26-log23=log23 B: log26-log23=1 C: log39=3 D: log3(-4)2=2log3(-4)
- 求不定积分[img=112x35]17da6538063a9e4.png[/img]; ( ) A: (x^4*log(x)^2)/4 + (x^4*(log(x) - 1/4))/ B: (x^4*log(x)^2)/4 - (x^4*(log(x) - 1/4))/8 C: (x^4*log(x)^2)/4 - (x^4*(log(x) - 1/4)) D: (x^4*log(x)^2)/4 + (x^4*(log(x) - 1/4))/8
- 【单选题】下列式子中计算错误的是( ) A. (4×10 3 )(5×10 3 )=2×10 7 B. 4×10 3 5×10 3 =9×10 3 C. (4×10) 3 =6.4×10 4 D.
内容
- 0
打印出以下杨辉三角形(要求打印出10 行)。11 11 2 11 3 3 11 4 6 4 11 5 10 10 5 1....
- 1
"); } main() { fun(1); fun(2); } 程序的输出结果是( ) A.1 2 3 4 5 3 5 7 9 11 B.随机数 C.1 2 3 4 5 2 3 4 5 6 D.1 2 3 4 5 2 4 6 8 10
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三餐分配合理比例是( ) A: 3:4:3 B: 2:5:3 C: 4:3:3 D: 3:3:4 E: 2:4:4
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一般成年人三餐能量分配的适宜比例是 A: 2:4:4 B: 3:4:3 C: 4:4:2 D: 3:3:4 E: 4:3:3
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伦巴舞和恰恰恰的音乐节拍分别是( ) A: 2/3 ;3/4 B: 3/4 ;2/3 C: 4/4 ;4/4 D: 4/3 ;4/4