以下 mod 71 都略掉不写了
70!= 61!* (-9) * (-8) * ...* (-1) = - 61!* 9!
然后看 9!
9*8 = 72 = 1
7*5*2 = 70 = -1
6*4*3 = 72 = 1
猜你喜欢
- 1乙酸乙酯在碱性条件下和酸性条件下的水解的化学方程式
- 2翻译:The Kings are going to move to the city next year.
- 3In spring people _____their winter clothes.A.take away B.take off C.put on
- 4物体漂浮在水面上,比浸没在水中时的浮力大
- 5从0至9这十个自然数中,任取一个,这个数小于5的概率是_.
- 6x^4+x^3+x^2+x+1 在实数与复数范围内因式分解
- 7求y=x^3-3x的单调区间与极值,凹凸区间与拐点.
- 8Y=根号下X的平方加1的函数图象是什么?
- 9A Fire can help people in many ways.But it can also be very harmful.Fire can keep your house 1,give
- 10-----the morning of Sptember 10th,we are going to give our teacher some flowers.