In [51]:

    

#1
def sanjiao(s):
    for i in range(0, n+1):
            print( ' '*i,s[0]*i,sep=' ')
n=int(input())
s='*'*n
sanjiao(s)


    

    




5
 
  *
   **
    ***
     ****
      *****

In [29]:

    

#2
for i in range(0,10):
    for j in range(1,i+1):
        print(i,'*',j,'=',i*j,sep=' ')
    print()


    

    




1 * 1 = 1

2 * 1 = 2
2 * 2 = 4

3 * 1 = 3
3 * 2 = 6
3 * 3 = 9

4 * 1 = 4
4 * 2 = 8
4 * 3 = 12
4 * 4 = 16

5 * 1 = 5
5 * 2 = 10
5 * 3 = 15
5 * 4 = 20
5 * 5 = 25

6 * 1 = 6
6 * 2 = 12
6 * 3 = 18
6 * 4 = 24
6 * 5 = 30
6 * 6 = 36

7 * 1 = 7
7 * 2 = 14
7 * 3 = 21
7 * 4 = 28
7 * 5 = 35
7 * 6 = 42
7 * 7 = 49

8 * 1 = 8
8 * 2 = 16
8 * 3 = 24
8 * 4 = 32
8 * 5 = 40
8 * 6 = 48
8 * 7 = 56
8 * 8 = 64

9 * 1 = 9
9 * 2 = 18
9 * 3 = 27
9 * 4 = 36
9 * 5 = 45
9 * 6 = 54
9 * 7 = 63
9 * 8 = 72
9 * 9 = 81

In [ ]:

    

#3
def zhishu(n):
        for j in range(2,100000):
            for k in range(1,i):
                if i%j==0:
                    break;
                for m in range(i,100000)：
                    if m+k==n:
                        print(m,k)
                    else:
                        print(wrong)
                        
n=int(input'请输入一个在2—100000之间的数：')
zhishu(n)