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【单选题】
程序功能是计算函数f(x,y,z)=(x+y)/(x-y)+(z+y)/(z-y)的值,则【1】中应选择的是 。 #include float f(float a, float b) { float value; value=a/b; return(value); } void main() { float x ,y , z, sum; scanf(“%f%f%f”, &X,&y,&z); sum= 【1】; printf(“sum=%f\n”,sum); }A.
f( x-y, x+y)+ f(z-y, z+y)
B.
f(x+y, x-y)+ f(z+y, z-y)
C.
f(x, y)/f(y,z)
D.
f(z+y, z-y)+ f(z-y, z+y)
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皮皮学刷刷变学霸
举一反三
【单选题】关于搬运安全操作下列说法正确的是
A.
搬运物品时,可以因抄近路而穿过危险区
B.
可以在包装好的货物上行走
C.
搬运零散货物时,其高度不得超过直径的两倍
D.
应用于手掌紧握物体,可以只用手指抓住物体,以免脱落
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【简答题】用cat命令在用户主目录下创建一名为f1的文本文件,内容为: Linux is useful for us all You can never imagine how great it is.
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【简答题】成本与可变现净值孰低法中的成本是指存货的历史成本。（ ）
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