摘要:2.将两个数a=5.b=9交换.使a=9.b=5.下面语句正确一组是 ( ) t = b b = a a = t a = c c = b b = a D) a=b b=a b=a a=b s=0 i=2 Do s=s+i i= i+2 Loop until Print s End 第4题 3.函数的定义域为( ) A. B. C. D.
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