1 decimal unit. Is (1/7), plus (9) this unit is the smallest prime number.
2. (6) ÷16 = = (0.375) (decimal)
3. The greatest common factor of12 and 18 is (6), and the smallest common multiple is (36).
4. Divide the 5m-long rope into 9 segments on average, each segment accounts for (1/9) of this rope, and each segment is (5/9) meters long.
5. A two-digit number is not only a multiple of 5, but also an even number. The minimum quantity is (30) and the maximum quantity is.
Yes (90).
6. The sum of the sides of a cube is 24 decimeters, its surface area is (24 square decimeters) and its volume is (8 cubic decimeters).
7. In a shooting training, the shooting times of eight students are as follows:
4, 5, 4, 6, 10, 9, 8, 10.
The average value of this set of data is (7), the mode is (4 10) and the median value is (7).
Xiao Ming, Xiao Li and Xiao Kai read the same article. Xiao Ming spent several hours, Xiao Li spent several hours and Xiao Kai spent several hours.
0.2 hours, (Xiao Ming) is the fastest.
9. There are 12 apples, of which 1 1 apples have the same weight, and the other one is lighter, which can be weighed at least (3 times) with a balance.
Be sure to find this apple.
10. A cuboid with length, width and height of 8cm, 5cm and 4cm respectively. After cutting off the largest cube,
The remaining volume is (96 cubic centimeters).
3. Choose a "corresponding seat". (Choose the number of the correct answer and fill in the brackets) 10.
1. A pool can store 430 m3 of water, so we say that (d) of this pool is 430 m3.
A. surface area b weight c volume d volume
2. The left picture is obtained through the transformation in (a).
A. translation B. rotation C. symmetry D. folding
3. The following statement is correct (c).
A. unit of volume is greater than the area unit. B. if it is a false score, then a must be greater than 5.
C. a natural number with only two factors must be a prime number. A triangle is a symmetrical figure.
4. 10 has (b) odd numbers and composite numbers.
A.0 B. 1 C.2 D.3
Add 8 to the molecule of 5. If the size of this fraction remains the same, the denominator should be (a).
A. add 30 b. add 8 c. zoom in twice. D. increase by three times.
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