1, 24 meters is () meters, () meters is 24 meters;
() tons equal to 42 tons; 1 meters is () meters after reducing meters.
2. Fill in the appropriate units.
a cup of drink has 1 (ml); A living room has an area of about 2 (square meters); The volume of a train wagon is about 125 (cubic meters); A bathtub can hold .8 tons of water.
3. "This year's total output is higher than last year's", which means that (this year's output) is (last year's output). The quality of imported tomatoes is less than that of radishes. Write quantitative relations. () ×=( )
4. Uncle Li finished processing a batch of parts in 8 hours, and he processed () of these parts every hour on average. After processing for 5 hours, () of these parts remained unfinished.
5. If a rope is cut off, it just cuts off 4 meters. If it is cut off, it will cut off () meters.
6. put ">" in ○. 、“<” Or "=".
○ ○
5÷○5× 1×○÷1
7、 Hour = () hectares = () square meters
6.2 cubic meters = (6,2,) liters of 5.8 cubic meters =( 5) cubic meters (8) cubic meters
8. If a road is built in four days, it will take an average of () of the total length every day to complete the road.
9. It is known that A÷=B×=C÷(ABC is not ), then the order of ABC from largest to smallest is
( )> （ ）> ()
1. Weld a 52cm-long iron wire into a cuboid frame with a length of 6cm, a width of 4cm and a height of (3cm).
second, multiple-choice questions. (2 points)
1, m3 means (a).
A, 3 m times b and 3 m times c and m.
2. The length of both steel pipes is more than 3 meters. The steel pipe A is used to remove meters, and the steel pipe B is used to remove meters.
A, the remaining length of a steel pipe. B, the remaining length of B steel pipe. C, can't judge
3. The length of a cuboid is 9 decimeters, and the width and height are 3 decimeters. Cut it into three cubes with the same size, and the surface area increases (B )
A, 18 square decimeters B, 36 square decimeters C, 54 square decimeters
4 and A are natural numbers that are not zero. The following statement is correct.
A, A and B are reciprocal, C is reciprocal, and A is reciprocal. D and a are reciprocal
5. The length, width and height of a cuboid are a, b and h meters respectively. If the height is increased by 1 meter, the volume will increase by (a) cubic meters.
A, ab B, h+1 C, 1
6. Reading a book, those who have read the whole book have not read it ().
A, 3 times b, c,
7. Among the following formulas (A is a natural number other than ), the largest result is ().
A, a÷ B, a× C, a÷ D, a×
8. It is known that a and b are all greater than , then a > is represented in the following formulas; The formula of b is
A, b, c, d, b-a >;
9. knead a cube-shaped plasticine into a cuboid, and the cuboid and cube (C )
A are equal in volume and surface area. B, the volume is not equal, the surface area is equal
C, the volume and surface area are not equal. C, the volume is equal, the surface area is not equal.
1. In a cuboid, if four faces have the same area, the other two faces (B).
A, all are rectangles b, all are squares c, one is a rectangle, and the other is a square d, which is uncertain.
the rest of the questions are not graded, so you can't do them.