已知函数f(n)=n-3(n≥10)f[f(n+5)](n<10)其中n∈N,则f(8)等于( ) A: 2 B: 4 C: 6 D: 7
已知函数f(n)=n-3(n≥10)f[f(n+5)](n<10)其中n∈N,则f(8)等于( ) A: 2 B: 4 C: 6 D: 7
f(st): st[]=st={:,:} f(st) (st[],st[]) 结果是
f(st): st[]=st={:,:} f(st) (st[],st[]) 结果是
设f(x)=1/1-x求f[f(x)]和f{f[f(x)]}
设f(x)=1/1-x求f[f(x)]和f{f[f(x)]}
已知函数f(x)=ax3+bsinx+5,且f(7)=9,则f(-7)=___.
已知函数f(x)=ax3+bsinx+5,且f(7)=9,则f(-7)=___.
float f[][][] = new float[3][][]; float f0 = 1.0f; float[][] farray = new float[1][1]; What is valid?() A: f[0] = f0; B: f[0] = farray; C: f[0] = farray[0]; D: f[0] = farray[0][0];
float f[][][] = new float[3][][]; float f0 = 1.0f; float[][] farray = new float[1][1]; What is valid?() A: f[0] = f0; B: f[0] = farray; C: f[0] = farray[0]; D: f[0] = farray[0][0];
若(L[f(t)]=F(s)),(L[g(t)]=G(s))则(L[f(t)*g(t)])为( )</p></p>
若(L[f(t)]=F(s)),(L[g(t)]=G(s))则(L[f(t)*g(t)])为( )</p></p>
def f(): st["name"]="x" st={"name":"a","sex":"male"} f() print(st["name"],st["sex"]) 结果是
def f(): st["name"]="x" st={"name":"a","sex":"male"} f() print(st["name"],st["sex"]) 结果是
若\(L[f(t)]=F(s)\),\(L[g(t)]=G(s)\)则\(L[f(t)*g(t)]\)为( ) A: \(F(s)\cdot G(s)\) B: \(F(s)+G(s)\) C: \(F(s)*G(s)\)
若\(L[f(t)]=F(s)\),\(L[g(t)]=G(s)\)则\(L[f(t)*g(t)]\)为( ) A: \(F(s)\cdot G(s)\) B: \(F(s)+G(s)\) C: \(F(s)*G(s)\)
若L[]=F(s), 则L[]=。
若L[]=F(s), 则L[]=。
设f(x)∈C[-π,π],且f(x)=
设f(x)∈C[-π,π],且f(x)=