Shandong Business Daily, Qilu Evening News and China Youth Daily all have them. Shandong Business Daily buys a copy, with a full set of 20 10 college entrance examination questions and test papers, only 50 cents, that is, small words. I also use a magnifying glass. Qilu Evening News is better. The first issue of China Youth Daily has only one question.
Mathematics CBDDC DABCA AB
- 1.25; [0.2, positive infinity]; 30 degrees; X+Y-3=0
17.ψ=60 g(x) MAX=0.5,MIN=-0.25。
18.An=2n+ 1,Sn=n(n+ 1),Tn=n/4(n+ 1)
19. Too many.
20.P(Q)=0.25,E(fai)= 2 * 1/8+4 * 3/8+4 * 1/2 = 27/8 = 4.375