EX有inta=3,b=4,c=5,x,y;,则以下表达式 !(x=a)&&(y=b)&&c的值为【】0 EX2若s是int型变量,且s=6,则下面表达式 s%2+(s+1)%2的值为【1】

1、取{2m,3n|m≥1,n1}中由小到大排列的前70项数。 #include void main()

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一选择题(每题3分共15分) 1. AutoCAD样板图形文件默认的文件名后缀是(）。 a DWT b DXF c tXT d DWG 答案:a

一.1.282.1473.(b,10)=14.0.958405.726.393 7.-18. 9.(m)=510.(a,b)|c (,) 11.A12.D13.D14.C15.D16.a17.d18.b19.d20.c 三.1.解:由于(9,21)=3,而3144,所以原方程有解