Current location - Training Enrollment Network - Mathematics courses - Seventh grade mathematics volume I Qidong homework 40 second big question No.9 and 10 answers.
Seventh grade mathematics volume I Qidong homework 40 second big question No.9 and 10 answers.
Yes: As shown in Figure 4-40-2, straight line AB and CD intersect at point O, point P is on straight line AB, or straight line AB passes through point P, point M is outside straight line CD, or CD does not pass through point M ... And: As shown in Figure 4-40-3( 1), point B is on straight line AD and point E is on straight line CD; (2) point C is outside the straight line AD, and point E is the intersection of the straight line CD and AF; (3) There are three straight lines passing through point C, namely straight lines BF, AC and DE.

This is the mo O(∩_∩)O~