_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 1. Fill in the blanks. (2 points for each question, ***20 points) 1.65+360 ÷ (20-5), calculate () first, then (), and finally (), and the number is (). 2.72+68+132 =+(○) 35× 92+35× 8 = × (○) 3.0.057 pronounced: 405.76 written:. 4.23.853 Accurate to about one percent, with one decimal place about. 5.245600000 was rewritten as "100 million". 6 . 6 . 02m =()cm 3km 10m =()km 6.05kg =()kg()g 7。 Arrange the following figures in descending order. 0.7 0.706 0.76 0.67 0.076 8. Triangle can be divided into () triangle, () triangle and () triangle according to angle. 9. The base angle of an isosceles triangle is 80 and the top angle is (). 10. It takes 4 minutes to saw a piece of wood in half, and () minutes if it is sawed into eight pieces. Second, choose the serial number of the correct answer and fill it in brackets. (4 points) 1.3 The number consisting of one, four percent and five thousandths is (). (1) 0.345 (2) 3.045 (3) 3.4005 (4) 3.4052. The decimal number greater than 0.2 and less than 0.4 is (). (1)1(2)10 (3)100 (4) countless. 3. At least () equilateral triangles are needed to spell it out. (1) 1 (2) 2 (3) 3 (4) 44. Insert 10 colored flags (inserted at both ends) on one side of the 90-meter-long runway, and the distance between every two adjacent colored flags is () meters. (1) 9 (2)10 (3)16 (4) 8 III. Judge. (4 points) 1.4.5 and 4.50 have the same size and the same counting unit. () 2. The sum of two acute angles of an obtuse triangle is less than 90 degrees. () 3. Any two triangles can be combined into a quadrilateral. () 4. When calculating the addition and subtraction of decimals, both ends of decimals should be aligned. () Fourth, calculation. (36 points) 1. Oral calculation: 25× 4 = 360 ÷ 36 = 0.3 ÷100 =120× 6 = 58-58 =1000× 0.065438+. × 20 = 420+28 =10/× 28 = 8× 9+8 =125× 7× 8 = 7× 5 ÷ 7× 5 =10-2.3- Calculated by decimals. (4 points) 5m 23cm+3m 5mm10kg-3kg 600g 4. Calculate the following questions, and simplify what can be simplified. (18 point) (125+7) × 8 3200 ÷ 25× 4 3.27+6.4+2.73+4.625× 44 6.45-0.58-1.42/kloc-. (10) 1. Draw an isosceles triangle and a right triangle in the grid and draw their heights. (4 points) 2. Fill in the blanks and draw a picture. (6 points) 7. Solve the problem. (26 points) 1. The road team built a road, which was 3.4 kilometers on the first day, 0.6 kilometers more than the second day. How many kilometers were built in two days? (4 points) 2. From a city to the provincial capital, the speed of taking the expressway is 90 km/h, which takes 2 hours. When it returns, the speed of taking the ordinary expressway is 70 km/h, which takes 3 hours. How many kilometers is it more to take the ordinary highway than the expressway? (5 points) 3.5 Students will visit the space exhibition, and pay the entrance fee of 60 yuan, and each student will use this 2 yuan. How much did it cost per person? (5 points) 4.24 Students play games in a circle on the playground, and the distance between every two adjacent students is 2 meters. What is the circumference of this circle? (5 points) 5. Li Hongjia's tourism expenditure in recent years is as follows. (7 points) Year 20012002 2003 2004 2005 2006 Amount/Yuan1600 2000 2500 3100 3800 4500 (1) Make a statistical chart of broken lines according to the above data. (2) Observing the statistical chart, what changes do you find in Li Hongjia's annual tourism expenditure? (3) What is the tourism expenditure of Li Hongjia this year? (4) What other math questions can you ask? Please give a detailed answer.

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 1. Fill in the blanks. (2 points for each question, ***20 points) 1.65+360 ÷ (20-5), calculate () first, then (), and finally (), and the number is (). 2.72+68+132 =+(○) 35× 92+35× 8 = × (○) 3.0.057 pronounced: 405.76 written:. 4.23.853 Accurate to about one percent, with one decimal place about. 5.245600000 was rewritten as "100 million". 6 . 6 . 02m =()cm 3km 10m =()km 6.05kg =()kg()g 7。 Arrange the following figures in descending order. 0.7 0.706 0.76 0.67 0.076 8. Triangle can be divided into () triangle, () triangle and () triangle according to angle. 9. The base angle of an isosceles triangle is 80 and the top angle is (). 10. It takes 4 minutes to saw a piece of wood in half, and () minutes if it is sawed into eight pieces. Second, choose the serial number of the correct answer and fill it in brackets. (4 points) 1.3 The number consisting of one, four percent and five thousandths is (). (1) 0.345 (2) 3.045 (3) 3.4005 (4) 3.4052. The decimal number greater than 0.2 and less than 0.4 is (). (1)1(2)10 (3)100 (4) countless. 3. At least () equilateral triangles are needed to spell it out. (1) 1 (2) 2 (3) 3 (4) 44. Insert 10 colored flags (inserted at both ends) on one side of the 90-meter-long runway, and the distance between every two adjacent colored flags is () meters. (1) 9 (2)10 (3)16 (4) 8 III. Judge. (4 points) 1.4.5 and 4.50 have the same size and the same counting unit. () 2. The sum of two acute angles of an obtuse triangle is less than 90 degrees. () 3. Any two triangles can be combined into a quadrilateral. () 4. When calculating the addition and subtraction of decimals, both ends of decimals should be aligned. () Fourth, calculation. (36 points) 1. Oral calculation: 25× 4 = 360 ÷ 36 = 0.3 ÷100 =120× 6 = 58-58 =1000× 0.065438+. × 20 = 420+28 =10/× 28 = 8× 9+8 =125× 7× 8 = 7× 5 ÷ 7× 5 =10-2.3- Calculated by decimals. (4 points) 5m 23cm+3m 5mm10kg-3kg 600g 4. Calculate the following questions, and simplify what can be simplified. (18 point) (125+7) × 8 3200 ÷ 25× 4 3.27+6.4+2.73+4.625× 44 6.45-0.58-1.42/kloc-. (10) 1. Draw an isosceles triangle and a right triangle in the grid and draw their heights. (4 points) 2. Fill in the blanks and draw a picture. (6 points) 7. Solve the problem. (26 points) 1. The road team built a road, which was 3.4 kilometers on the first day, 0.6 kilometers more than the second day. How many kilometers were built in two days? (4 points) 2. From a city to the provincial capital, the speed of taking the expressway is 90 km/h, which takes 2 hours. When it returns, the speed of taking the ordinary expressway is 70 km/h, which takes 3 hours. How many kilometers is it more to take the ordinary highway than the expressway? (5 points) 3.5 Students will visit the space exhibition, and pay the entrance fee of 60 yuan, and each student will use this 2 yuan. How much did it cost per person? (5 points) 4.24 Students play games in a circle on the playground, and the distance between every two adjacent students is 2 meters. What is the circumference of this circle? (5 points) 5. Li Hongjia's tourism expenditure in recent years is as follows. (7 points) Year 20012002 2003 2004 2005 2006 Amount/Yuan1600 2000 2500 3100 3800 4500 (1) Make a statistical chart of broken lines according to the above data. (2) Observing the statistical chart, what changes do you find in Li Hongjia's annual tourism expenditure? (3) What is the tourism expenditure of Li Hongjia this year? (4) What other math questions can you ask? Please give a detailed answer.