注意：此页面搜索的是所有试题
∫1 0 dx∫1-x 0 f(x,y)dy=()
A.∫1-x 0 dy∫1 0 f(x,y)dy
B.∫1 0 dy∫1-x 0 f(x,y)dy
C.∫1 0 dy∫1-y 0 f(x,y)dy
D.∫1 0 dx∫1 0 f(x,y)dy
A.∫1-x 0 dy∫1 0 f(x,y)dy
B.∫1 0 dy∫1-x 0 f(x,y)dy
C.∫1 0 dy∫1-y 0 f(x,y)dy
D.∫1 0 dx∫1 0 f(x,y)dy
参考答案