• 试题 ID 6314


计算: $\frac{1}{2}+\left(\frac{1}{4}+\frac{3}{4}\right)+\left(\frac{1}{6}+\frac{3}{6}+\frac{5}{6}\right)+\cdots+\left(\frac{1}{98}+\frac{3}{98}\right.$ $\left.+\cdots+\frac{97}{98}\right)=$
A
B
C
D
E
F
答案:

答案与解析仅限VIP可见

解析:

答案与解析仅限VIP可见