Bài tập 71 trang 95 SGK Toán 11 NC

A. \(\dfrac{2}{3}\)

B. \(\dfrac{5}{{18}}\)

C. \(\dfrac{8}{9}\)

D. \(\dfrac{7}{{18}}\)

A. \(\dfrac{4}{{15}}\)

B. \(\dfrac{6}{{25}}\)

C. \(\dfrac{8}{{25}}\)

D. \(\dfrac{8}{{15}}\)

A. 0,56                                  

B. 0,55

C. 0,58                                   

D. 0,50

A. \(A = \left\{ 1 \right\};\,\,\,B = \left\{ {2,3,4,5,6} \right\}\)

B. \(C = \left\{ {1,4,5} \right\};\,\,\,B = \left\{ {2,3,6} \right\}\)

C. \(E = \left\{ {1,4,6} \right\};\,\,\,F = \left\{ {2,3} \right\}\)

D. \(\Omega ;\,\,\emptyset \)

A. 0,56            

B. 0,6

C. 0,5              

D. 0,326

A. 0,1            

B. 0,2

C. 0,3            

D. 0,4

A. \(\dfrac{1}{{15}}\)

B. \(\dfrac{2}{{15}}\)          

C. \(\dfrac{7}{{15}}\)

D. \(\dfrac{8}{{15}}\)

A. \(\dfrac{{14}}{{45}}\)

B. \(\dfrac{{45}}{{91}}\)

C. \(\dfrac{{46}}{{91}}\)

D. \(\dfrac{{15}}{{22}}\)

A. \(\dfrac{1}{{21}}\)

B. \(\dfrac{1}{{210}}\)

C. \(\dfrac{{209}}{{210}}\)

D. \(\dfrac{8}{{105}}\)