It's from Jiangsu People's education press. Next semester. I'm sick and can't catch up
1、 Multiple choice BCCC
2、 Fill in the blanks: 18km / h, 2km / h; 24 cans, 12 cans; 420000 yuan, 260000 yuan
8. The production capacity of type A is 200t, and that of type B is 350t
9. There are 51 gold medals, 21 silver medals and 28 bronze medals
10. It's less than Xiaojun's money. It's less than 4 yuan
11. 15 armored vegetables, 3 B vegetables, 2 C vegetables
12. 2000 yuan for each color TV set and 1000 yuan for each washing machine
4、 Knowledge development
13. 30 * 15 (B-A) = 22500
30 * (15 + 10) [(1-20%) B-A] = 22500
Finally, a = 50, B = 100
14. Suppose the cost of last quarter is x yuan, the selling price is y yuan and the sales volume is a yuan
Y = (1 + 17.5) x
(Y-X) a = [96y - (x-10.4)] * 110A
Finally, x = 400, y = 510