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The sixth grade donated 460 yuan, 14 yuan less than three times of the third grade. How much for the third grade
（460+14）/3=158
Fill in the blanks
How many trees does team a and C plant on average
2. When five sixths of its weight is increased by 1, () kg is decreased by 30%, which is 0.77kg
3. There are () true minus scores whose denominator is 8. Their sum is ()
4. Random inspection of goods. 48 are qualified and 2 are unqualified. The qualified rate is ()%. 1000 are qualified and () are produced. Keep the integer
5. A kind of liquid medicine is prepared according to the ratio of medicine and water 1:100. Now it needs () g medicine to prepare 5050g liquid medicine
6. Cut off one sixth of the wire and connect it for 60m. The result is 50% longer than the original. The original length of the wire is () M
7. A cake box is tied with a ribbon. The perimeter of the bottom of the cake box is 94.2cm. The height is 16cm. The ribbon joint is 20cm. The ribbon is () m long in total
8. A cylinder. If you subtract 6cm from the height, the surface area will be reduced by 75.36 square centimeters, and the volume will be reduced by () cubic centimeters
judge
1. The survival rate is constant. The number of surviving trees is inversely proportional to the total number of trees ()
2. The ratio of the two numbers is 6. The ratio of the former and the latter multiplied by 3 is 18 ()
3. If the number of chickens is one fourth more than that of ducks, the number of ducks is four fifths of that of chickens
4. The reciprocal of false fraction is less than 1 ()
5. The volume of the cone is constant. The radius of the bottom is inversely proportional to the height ()
The simple calculation that can be simplified
1.5x8.4 + 3x 3 / 10 + 15x0.1
Half + (1-7 / 12 x 8 / 7)
(1 / 5 + 4 / 5 x 1 / 8) / 1 / 5
Fill in the blanks
A, B and C plant trees. On average, each person plants 12 trees. The tree ratio of the three teams is 5:3:4. Then C plants (12) trees. How many (6) trees does a plant less than B
2. When five sixths of its weight is increased by 1, (1.1) kg, 30% of its weight is decreased by 0.77kg
3. There are (4) truest scores whose denominator is 8. Their sum is (2)
4. 48 commodities are qualified and 2 commodities are unqualified. The qualified rate is (96)%. 1000 commodities are qualified and (3000) commodities are produced. Keep the whole number
5. A kind of liquid medicine is prepared according to the ratio of medicine and water 1:100. Now it takes (5000) g to prepare 5050g liquid medicine
6. Cut one sixth of the wire and connect it for 60m. The result is 50% longer than the original. The original length of the wire is (90) M
7. A cake box is tied with a ribbon. The perimeter of the bottom of the cake box is 94.2cm. The height is 16cm. The ribbon joint is 20cm. The ribbon is (204) m long in total
8. A cylinder. If you subtract 6cm from the height, the surface area will be reduced by 75.36 square centimeters and the volume will be reduced by (75.36) cubic centimeters
judge
1. The survival rate is constant. The number of surviving trees is inversely proportional to the total number of trees (×)
2. The ratio of two numbers is 6. The ratio of the former and the latter multiplied by 3 is 18 (×)
3. The number of chickens is one fourth more than that of ducks. Then the number of ducks is four fifths of that of chickens (×)
4. The reciprocal of false fraction is less than 1 (×)
5. The volume of the cone is constant. The radius of the bottom is inversely proportional to the height (√)
The simple calculation that can be simplified
1.5x8.4 + 3x 3 / 10 + 15x0.1
Half + (1-7 / 12 x 8 / 7)
(1 / 5 + 4 / 5 x 1 / 8) / 1 / 5
A cuboid is 1.6 decimeters, 0.4 decimeters wide and 0.0 decimeters high. Its minimum area is (). If a wire is used to encircle the cuboid frame, it needs () wire. If the largest cuboid is cut in the cuboid, the edge length of the cube is (). If a wire is needed to encircle the cuboid frame, it needs () wire. Cut into () cubes with an edge length of 0.2 decimeters
0.2 square decimeter 10 decimeter 0.4 decimeter 4.8 24
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