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# author : momo
a = 1
sum = 0
for i in range(1,10):
for j in range(1,i+1):
sum = i*j
print("%dx%d=%d"%(i,j,sum),end=" ")
print("")
方法二:
sum1 = 0
n=9
m=1
while n>0:
y=n
print("tt" *(n-1),end="")
for x in range(m):
sum1 = n * y
print("%dx%d=%d" % (n, y, sum1), end="t")
y+=1
print()
n-=1
m+=1
方法三:
sum1 = 0
n=9
m=1
while n>0:
while m<=n:
sum1 = m * n
print("%dx%d=%d" % (m, n, sum1), end="t")
m+=1
print()
n-=1
m=1
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