来自唐权华的问题
若11×3+13×5+15×7+…+1(2n−1)(2n+1)的值为1735,则正整数n的值是()A.16B.17C.18D.19
若 11×3+13×5+15×7+…+1(2n−1)(2n+1)的值为1735,则正整数n的值是()
A.16
B.17
C.18
D.19
1回答
2020-10-1003:59
若11×3+13×5+15×7+…+1(2n−1)(2n+1)的值为1735,则正整数n的值是()A.16B.17C.18D.19
若 11×3+13×5+15×7+…+1(2n−1)(2n+1)的值为1735,则正整数n的值是()
A.16
B.17
C.18
D.19
原式=12