(80 minutes) You fill in the blanks. (22 points)
12 14 hours = () hours ()
To 3040ml = () cubic decimeter
2, () 72 = 15÷()=()÷30 = 7 50% off = (%)
The decimal unit of 3 (), A5(A is a natural number)
A = (), and the reciprocal is 15.
4. The circumference of a circle is a semicircle of 6.28 decimeters, and the circumference is () decimeters.
The five digits of 5, 3. 14, 3 1.4%, 3950 and 34%π are arranged in descending order.
()
640m, 50m ()% 15. 48 meters, descending 14 () meters.
7. A 4 15 is less than 20% of B, and B is ().
8. Cut the rope with an average length of 5 meters into 8 sections, each section is () meters long and each section is () long.
In a school with 9 classes and 6 (3) classes with 50 students, the attendance rate of two students leaving the classroom is 6 (3) (%).
10, one rope accounts for 20% of the first and second, and take the remaining 20% and the difference of two meters. This rope is 10 meter long.
1 1, four players get two points in the round robin and zero in the round robin. There is no victory in the game, and the total score is different every time. At most, there is a draw.
Second, my little judge, right or wrong, here I am. ( 10)
1, if a and b are mutual, then1÷a = b. ..............................()
2 10g sugar is dissolved in 10g water, and sugar accounts for 10% of sugar. ..................()
3. The quality inspection department in the market found that only 30 boxes and 40 boxes of apple juice were qualified, and only 35 boxes of 50 boxes of litchi juice were qualified, and litchi juice was higher than apple juice. .................. (34) 4 120kg is 90. ..............................()
5. A is 20% smaller than B, and B is 20% smaller than A. ............ ()
3. Please select an option. (Fill in the authenticity of serial number, answer in brackets)
1(10min) A rectangular can with a length of12m and a width of 8m is cut into small rounded corners with a radius of1.5m (scissors can't spell it).
a， 1 1 B，8 C， 10 D， 13
2, the river bottom line and 10% high growth, new district? The triangle is bigger than the original triangle ()