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倒序输出九九乘法表
#正序排列下的Python code'''for i in range(1,10): for j in range(1,i+1): print(str(i)+"*"+str(j)+"="+str(i*j),end=" ") print()'''#倒序方法1:采用嵌套for循环'''for i in range(9,0,-1): for j in range(i,0,-1): print(str(i)+"*"+str(j)+"="+str(i*j),end=" ") print()'''#倒序方法2:采用嵌套while循...