National A-level refers to the national A-level of the new curriculum standard, which is divided into liberal arts mathematics and science mathematics. Only the new high examination paper can distinguish arts and sciences in mathematics.

The full score of national first-class liberal arts mathematics and science mathematics is 150, and the difficulty of science mathematics is greater than that of liberal arts mathematics.

The provinces in the first volume of China: Yunnan, Guangxi, Guizhou, Sichuan and Tibet (the original three volumes).