One sixth of the circumference is () of the right angle, and twice of the horizontal angle is () degree

It's two-thirds of a right angle, and two times a flat angle is 360 degrees

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1. What percentage is 8 grams more than 5 grams?
2. 5 after reducing its ()% to 3, () is 10% less than 60%, and 30g is ()% less than 80g
3. 80 grams is equivalent to 160% of 50 grams. 50 grams is less than 80 grams
4. What percentage of 25g is 20g? What percentage is 20g less than 25g?
5. One third more than 30 kg is () kg, and one third more than 30 kg is () kg
6. () kg is one third more than 150 kg, two fifths less than 45 kg () kg
7. A quarter more than 12 kg is () kg; a quarter more than 12 kg is (); a third more than 12 kg is () kg
8. 100 g is 1 / 2 more than 50 G The number of female students is 1 / 6 less than that of male students, that is, the number of male students is 1 / 6 more than that of female students? Apples weigh 3 / 4 kg more than oranges, which means oranges are 3 / 4 kg lighter than apples A piece of iron wire is 2 meters long, cut off 3 / 5 meters, and find the remaining meter sequence as () [fill in the blank] In the tree planting activity, 95 trees were planned to be planted, and 2 / 19 more trees were actually planted The machine tool factory plans to produce 4900 machine tools in August. In fact, it has completed 4 / 7 of the tasks in the second half of the month, and the second half of the month is the same as the first half. How many machines are actually overproduced A pile of coal, the first time transported 1 / 4 of this pile of coal, which is exactly 15 tons, the second time transported 1 / 3 of this pile of coal, how much was transported
9. 50 grams is more than 40 grams
10. 1: () kg is 30% more than 100 kg. 2:20 kg is 10% lighter than () kg. 3:50 G is 40% less than () g. 4: () m is 50% longer than 5 m
11. One fourth of a circumference is () degree, and five sixth of a horizontal angle is () degree
12. What is the degree of 1 / 4 of a horizontal angle? What is the degree of 1 / 4 of a perimeter angle? What is the degree of 1 / 2 of a right angle? What is the angle
13. The obtuse angle among the following angles is () a.1/6 circumference b.3/5 horizontal angle c.4/3 horizontal angle d.9/10 right angle
14. What is an obtuse angle? Are perimeter and horizontal angles also obtuse angles?
15. Two () angles are equal to a circumference. Four () angles are equal to a circumference. Two () angles are equal to a flat angle. Arrange acute angles and circumference from small to large
16. The horizontal angle is equal to []; the perimeter angle is equal to []; 1 ° = [] ', 1' = [] '; 1' = [] '; 1' = [] '
17. A circumference is equal to several flat angles, which is several times of a right angle
18. A flat angle equals () right angles, one sixth of the circumference equals () right angles?
19. What is the proportion of 3 / 8 to 5 / 8?
20. What's the ratio of 5 / 8 to 5 / 12