1+1/2+2/3+3/5+5/8…前10项之和 C语言编写

#include int main(void) { int i; float n = 1.0, m = 1.0, sum = 0.0, tmp; for (i = 1; i <= 10; i++) { sum += m / n; tmp = m; m = n; n += tmp; } printf("前十项和是%f\n", sum); r