20 10 college entrance examination Sichuan science mathematics answer
Science1a2d3c4a5c6c7b8b9c10c1b12d13. - 160/ X 14。 2 times of root number 3 15. 4 molecule radical number 3 16. 1 and 217.25/2161218.1. 24 19. 1 omit 2. Negative 10 radical 10 20.3X square -Y square = 1 cross F 2 1. 1. Six and twenty. The first term is 6, and the tolerance is 83. 1. 1.5,322. Introduction to Mathematical Induction 3