for i in range(1,10):
for j in range(1,11-i):
print('%d*%d=%d'%(i,j,i*j),end='\t')
print()
for i in range(1,10):
for j in range(1,i+1):
print('%d*%d=%d'%(i,j,i*j),end='\t')
print()
for i in range(1,10):
for j in range(1,10):
print('%d*%d=%d'%(i,j,i*j),end='\t')
print()