设计程序,z=f(x,y)=(3.14*x-y)/(x+y),若x、y取值为区间[1,6]的整数,找出使z取最小值的x1、y1。
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A、(x^5-cos(29*3.14/180))/(sqr(exp(x)+log(y)+5)) B、(x^5-cos(29))/(sqr(exp(x)+ln(y))+5) C、(x^5-cos(29*3.14/180))/(sqr(exp(x)+ln(y))+5) D、(x^5-cos(0.506))/(sqr(exp(x)+log(y))+5)
A、G85 X50.0 Y50.0 Z-10.0 R6 F60 B、G81 X50.0 Y50.0 Z-10.0 R-6 F60 C、G81 X50.0 Y50.0 Z-10.0 R3.0 F60 D、G83 X50.0 Y50.0 Z-10.0 R3.0 F60
A、G85 X50.0 Y50.0 Z-10.0 R6 F60 B、G81 X50.0 Y50.0 Z-10.0 R6 F60 C、G81 X50.0 Y50.0 Z-10.0 R3.0 F60 D、G83 X50.0 Y50.0 Z-10.0 R3.0 F60
A、A.const float PI;PI=3.14f; B、B.const float PI=3.14f; C、C.float const PI;PI=3.14f; D、D.float const PI=3.14f;