1.37.5% 62.5% 26%

2.40 7/20 35% 335

3. 100 10

4. 100%

5.0.43 42.8%

6. Original price 10%

7. 16 6.4

8.384.75

9. 120

10.44%

1.x2.v3.v4.v5.v6.x

1. A2.B3.C4.A5.C6.B

Four. neglect

Verb (abbreviation for verb) negligence

Liulve

Seven.

1.(40-35)/40x 100% = 12.5%

2.(28 22-5)/(22 28)=90%

3.17x (1-5%) x10000 =161500 (yuan)

4.55/( 1.25%)= 44 (ten thousand tons)

5. Independent purchase:

200 [800-(800-500) × (1-80%)] = 940 (yuan)

Buy together:

(200 800-500) x (1-80%) =100 (yuan)

200 800- 100=900 (yuan)

6. Class Excellence Rate 1:

[25x84% 25x44%]/(25 25)=64%

Excellent rate of Class 6 and Class 2:

[30x80% 20x40%]/(30 20)=64%

Hope to adopt