👤

Sagot :

[tex](BCS) \cap (ABS)=(BS) \\ (BC) \subset (ACD) \\ (AB) \subset (ASB) \\ (SB) \cap (AB)= \{ B \} \\ (SB) \cap (AD)= \varnothing \\[/tex]

© 2024 IDNLearn. All rights reserved.