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The sixth grade first volume mathematics unit 2 examination paper
1, the number of female employees is 1, and the number of male employees is 60%. The number of male employees is less than that of female employees (1-60%), and the number of male employees is less than that of female employees ()%. Formula (1-60%)/ 1=40%

The number of female workers is more than that of male workers ()% (1-60%)/60% = 0.667 = 66.7%.

2. The number B is "1", the number A is 60%, the number C is 1+20%, and the number A is 60%/(1+20%) = 0.6/1.2 = 0.5 = 50.

3、60*50%+9=30+9=39 (39+9)/3/4=64

4、6.3*4/9/35%=6.3*4/9*7/20=8

5、2 * 3. 14 * 50 = 3 14(cm)3 14 * 24 = 7536(cm)= 75.36m。

6、80 * 10%/8% = 8/0.08 = 100g

7. The whole journey of garage A: 9/40%=9*5/2=45/2 (hours)

The complete journey of vehicle B is1(1/9-2/45) =1115 =15 (hours).

8. The area of the great circle is 80/16% = 80/0.16 = 500m2, and the area of the small circle is 80/25% = 80/0.25 = 320m2. The radius of the small circle is (500/2 * 3. 14)/(304).