C语言设计一个运算10道问答题的程序答:char question[10][100]={"2x+3=0,求x?","x*x-4x+4=0,求x?","11*11=?","直角边为根号7的等腰三角形面积是?","sin30=?","对x从2积分到3为?","5!=?","六个人排队,组合有几种?","二进制100转化为十进制是?","1+1=?"};double correct_answer[10]={-1.5,2,121,3....
C语言 直角三角形 已知直角端两边长,求除直角以外的另外两角的角度_百...答:c语言有个数学包<math.h> 以弧度计数。可以直接用。如下代码:include<stdio.h> include<math.h> main(){ float a,b,t1,t2;printf("put in a and b\n");scanf("%f%f",&a,&b);getchar();t1=atan2(a,b);t2=atan2(b,a);printf("两个角的度数为%f ,%f\n",t1,t2);getchar(...