Unit 3, Volume 11, Grade 6, Primary School Mathematics Examination Paper 1. Write the number directly. Second, × = ⊙ 3 =×12 = ⊙ =+=× = ⊙ = 5 ÷ =-=× = Second, solve the equation. +2x = x-x = III。 Calculate the following questions, and simplify what can be simplified. +× (+)× 24× ⊙ -× (×) ⊙×10/-⊙ [-(-)] 4. Fill in the blanks. 1.250ml is equivalent to1l. 2. Hours = () minutes 1250m = Km3. () 12kg or more; 12kg is greater than () kg. 4. Cut the 20 cm long iron wire into five sections on average, each section belongs to this iron wire, and each section is () decimeter long. 5. The class size is female, and the simplest integer ratio of male to female is (): (). 6. "Buy a bag of rice to eat", with () as the unit "1". This bag of rice is still left. 7. If a batch of parts is processed and the total number of parts is completed in three days and the total number of parts is completed every day, the total number of parts can be completed in () days. 8. After cutting the largest square from a rectangular piece of paper, there is 5 cm left on the edge of the original rectangle, and the remaining area is 30 cm 2. The cut square area is the original rectangular area. 9. It is known that in an isosceles triangle, the degree of one internal angle is the degree of another internal angle, so the top angle is () degrees. V. true or false questions. (Please tick "√" in the brackets for the right, and "×" for the wrong)1. A ÷ = A ÷ 5× 7。 ( ) 2. 12÷( + )= 12÷ + 12÷ = 12× + 12× =3 1。 () 3. If A is greater than B and B is less than A. () 4.10g of salt is put into100g of water, and salt accounts for brine. () 6. Multiple choice questions. (Please put the serial number of the correct answer in brackets) 1. Arriving from A to B, the car A will complete the whole journey in 4 hours, and the car B will complete the whole journey in 5 hours. Compared with the speed of the two cars, (). (1) A car is fast (2) B car is fast (3) as fast (4) uncertain. 2. A barrel of oil is 8 kilograms. How many kilograms is left after it is used up? The correct formula is () (1) 8× (2) 8× (1-) (3) 8-(4)1-3. A is a, less than b, and the formula of b is (). ( 1)A×-B(2)A÷-B(3)(A-B)÷(4)(A+B)÷VII。 Column calculation. (8 points) 1. What's the difference between subtracting the product of sum? 2. A number is 84 larger than its own number. What's this number? Eight, solve the problem. 1. A and b are 120km. Two cars, Party A and Party B, go in opposite directions from two cities at the same time, and meet each other after hours. A car is 70 kilometers per hour, and B car is how many kilometers per hour? 2. A set of desk 80 yuan, in which the chair is the price of the table. How much are these chairs and tables? There are 20 tons of steel in the warehouse, which are always used for the first time and the second time. How many tons do you need for two times? A repeater used to cost 292 yuan, but now it's cheaper. How much is it now? A furniture factory wants to produce a batch of sofas. 64 sets were produced in the first week, and 86 sets were produced in the second week, leaving the total number of unfinished sofas. What is the total number of sofas? 6. Xiaoming of 6.Obana * * * has collected a lot of stamps. If it is known that Xiao Ming accounts for the total, if Xiaohua gives Xiao Ming 10 stamps, the number of stamps is equal. How many stamps do Xiaoming and Xiaohua have?