I can fill it out correctly. (20 points) 1, 0.62 hectares = () m2 2: 45 = () 2.03 hectares = () m2 0.6 minutes = () seconds 2,14.1÷1/kloc- 3. put 2.54, 2.54 (), 2.545, 2.55 ... use ">" () in order. 4. Fill in ""or "=" in ○. (1) 0.18 ÷ 0.0900.18× 0.09 (2) 0.7× 0.700.7+0.7 (3) 3.07× 0.60500.307 Xiao Ming is one year old, his father is three years older than him, and his father is () years old. 8 8. 100 kg of peanuts can squeeze out 39 kg of oil. According to this calculation, every kilogram of peanuts can squeeze out () kilograms of oil. 9. The product of two factors is 3.6. If one factor is amplified by 2 times and the other factor is amplified by 10 times, the product is (). The highest quotient of 10 and 686.8÷0.68 is (). 2. An impartial judge (tick "√" in brackets is correct, and tick "×" in brackets is wrong). (5 points) 1 and 0.05 are multiplied by a decimal, and the product must be less than 0.05. () 2. The quotient of fractional division is less than the dividend. () 3. Two triangles with equal areas can be combined into a parallelogram. () 4. When the perimeters of a rectangle and a parallelogram are equal, the areas are also equal. () 5. An equation with an unknown number is called an equation. (3) choose one. (Fill the letters of the correct answer in brackets) (5 points) 1. The following formula is equivalent to 99÷0.03 (). a，9.9÷0.003 B，990÷0.003 C，9900÷30 2。 Draw a parallelogram into a rectangle (with the same side length) with an area of (). A is bigger than B, smaller than C, and as big as 3, because 38×235=8930, so 0.38× 2.35+ 100 = (). A.189.3b.108.93c.100.893 4,47.88 ÷ 24 =1.995, according to the method of four houses and five people, you should write (). A. 2.0 B. 2.00 C. 1.99 5。 In a triangle, the average degree of two angles is 45 degrees. This triangle is a () triangle. A. acute angle B. right angle C. obtuse angle 4 Little psychic hand. (40 points) 1. Write the number directly. (10 point) 0.001+10.099 = 3-0.98 = 6× 0.25 = 0.63 ÷ 0.9 =1.8× 0.4 = 8.95 ÷. 6 points, 3 points for each small question) (1) What is the product of the difference between 3.6 and 0.8 times the sum of 1.8 and 2.05? (2) 7 times a number MINUS this number, and the difference is 42.6. Find this number. Five, I can solve the problem! ! (30 points) 1. There are 2 10 apple trees in the orchard, and 38 trees are more than twice as many as peach trees. How many apple and peach trees are there in the orchard? (Solve by arithmetic first, then use the equation. (4 points) 2. The site needs 47 tons of yellow sand, which will be transported six times by a truck with a load of 4.5 tons, and the rest will be transported by a truck with a load of 2.5 tons. How many times will it be transported? (first solve by equation method, and then solve by arithmetic method. (4 points) 3. Two cars, A and B, set off from two places 630 kilometers apart at the same time, and they met after 4.2 hours. It is known that car B travels 70 kilometers per hour, and how many kilometers does car A travel per hour? (4 points) 4. There are 840 sheep in a farm, of which 560 sheep can produce wool 14.2 kg on average, and the rest can produce wool 8.5 kg on average. How many kilograms of wool can sheep on this farm produce? (4 points) 5. Car A and B leave from Station A in the same direction at the same time. Car A travels 40 kilometers per hour, and the speed of car B is 1.2 times that of car A. After 3.8 hours, how many kilometers are the two cars apart? (4 points) 6. Buying four pens is more expensive than buying five gel pens. 4.8 yuan, the price of each gel pen is 1.2 yuan. How much is each pen? (5 points) 7. The shape of the paddy field is shown in the figure below. How many holes will you insert if you transplant rice according to an average of 30 square decimeters per hole? 6. Additional questions! ! (10) Party A, Party B and Party C spend the same money to buy a batch of apples. During distribution, Party A takes 24 kilograms more than Party C, and both parties give 24 yuan to Party C.. How much are apples per kilogram? Reference answer (taught by others) 1. 1, 15; 30; 16; 2, less than; 3、 13 ; 23 ; 4、4; 4: 1; 5. The speed of the car; 6、4000; 7、5; 8; 4; 40; 8、 128; 9、3; 10, 18.84 cm; 1 1、9.42; 12、5; 13、0.0 1。 Second, 1, ×; 2、×; 3、√; 4、√; 5、√; Third, 1, a; 2、B； 3、B； 4、B； 5、C； Fourth, 1, omitted. 2、( 1) 1 1 1 ; (2) 18 ; (3)78 ; (4) 12 (5)2247 ; (6)3; 3 、( 1)x = 70； (2)x = 20/3； 4. Omit; 5.( 1) This number is 7/5; The figure is 4.7. 5. Draw a line in the diagram 1; Figure 2 shows two. Sixth, solve the problem. 1、(2)60-60×( 1- 14 ); (3)60-60÷( 1+ 1/3)(6)60-60×3/4; 2. The speed of A: A is 32km/h; B The speed is 28 kilometers per hour. 3. The paving area is about 200 square meters. A: There are 30 students in Class Two and 39 students in Class Three. 5. It takes 10/3 hours to answer. Fifth grade exam reference answer (taught by others) 1. 1, 6200; 2.75; 2; 30; 36; 2. Mixed, 1.28 1(8 and 1 with or without), 1.282. 3. Omit. 4、>; ; 5、 100-6x； x = 3.56、4.8; 7、3a+b； 8、0.39; 9、72。 10,000; 10 10; Second, 1, ×; 2、×; 3、×; 4、×; 5. √ Third, 1, a; 2、A； 3、C； 4、B； 5、B； Fourth, 1, omitted; 2、0.0 145; 3.00; 3、( 1) 100; (2)5 15; (3) (Jane) 8930; (4) (Jane)1001; 4 、( 1)x = 3.5 1； (2)x = 0.2； (3)x = 3.2； 5、( 1)(3.6-0.8)×( 1.8+2.05)= 10.78; (2) Solution: Let this number be x.7x-x = 42.6; x = 7. 1； V. 1. A: 340 apricot trees; Peach tree 1360. 2.a: It will be shipped in eight times. 3.A: Car A travels 80 kilometers per hour. 4. Answer: * * * can produce wool10332kg. 5.a: The distance between two cars is 30.4 kilometers. 6. A: Every 2.7 yuan. 7. a: it should be inserted around 2000 points.