)。
2. Vote for three singers, A, B and C. Each voter can vote for any two singers, and at least () people can vote, so at least four people can vote exactly the same.
3: Xiao Ming and his father drank drinks, and poured 1 sprite for Xiao Ming and 1 beer for his father with the same two cups. Xiao Ming drank half a glass of his Sprite first, then filled his glass with beer in his father's glass, and then filled it with the drinks in his father's glass. Both of them finished their drinks. Xiao Ming drank (
) a sprite, dad drank it (
) A glass of beer.
4: Put five, six or four cards into a three-digit number at will, so the possibility that the three-digit number is less than 500 is (
)。
Mom and dad can't rest on weekends. Dad has a rest every five days 1 day, and mom has a rest every four days 1 day. On April 5th, Mom and Dad had a rest at the same time. The next time they had a rest at the same time, it was in (
) month () day.
6: If 3a+2b+5 = 10.8, then 6a+4b-5 = (
)。
7: Xiaoming's age this year is 65438+ 0/4 of his father's age. In eight years, Xiao Ming will be 2/5 of his father's age.
) years old.
8: A and B are two rectangles with equal perimeters. The aspect ratio of A is 3:2, that of B is 7:5, and the area ratio of A and B is ().
There are five Wednesdays in a month, but the first and last day of this month are not Wednesdays. This month 1 day is a week (
)。
10: someone signed a contract with a factory owner: "If you work 1 day, you will get 48 yuan, but if you don't work, you will get 12 yuan, 1 year." By the end of the month, the factory owner paid the man 0 yuan money, and the man worked hard (
) days.
1 1: A, B and C run the 60m race. When A reached the finish line, B ran 50 meters and C ran 45 meters. If the running speeds of B and C are the same, then when B reaches the finish line, C is still () meters away from the finish line.
12: A commodity is priced at 14% of the purchase price. Now the purchase price of this commodity has been reduced by 5%. If it is still sold at the original price, the profit rate of this commodity is ()%.
13: net content of Master Kong mineral water 1.2L Pour 1 bottle of mineral water into a cylindrical container, and the water level is just 5cm high, then add 60mL of lemon. When the water level is high (
)cm。
14: Comparing the number of pictures between Beibei and Tian Tian, 3/5 of Beibei's pictures are equal to 2/3 of Tian Tian's pictures, and the ratio of Beibei and Tian Tian's pictures is (
)。
15: haixing supermarket held a prize-winning sales activity, as follows: the more you buy lottery tickets, the more you get. * * * Lottery tickets 10000, including grand prize 1 piece, first prize1piece and second prize1piece. Dad went shopping once in this activity and spent 2085 yuan, so the possibility of dad winning the first prize is (
)。
16: Xiaohong helps her mother sell fruit. In the morning, she sells 20kg at the price of 1.2 yuan per kilogram and 30kg at the price of 1. 1 yuan in the afternoon. The profit in the morning and afternoon is the same, and the purchase price of fruit is (
) yuan.
17: 20 18 students line up, the first time from left to right 1 ~ 3, the second time from right to left 1 ~ 5, and the third time from left to right 1 ~ 5. The number of students who reported for the third time is equal to the sum of the previous reports (
) name.
Answer:
1:3/ 16
2: 10 people
3:3/4 3/4
4: 1/3
May 5(th)
6:6.6
7: 8 years old
8:864/875
9: 2
10: 6 days
1 1: 6m
12:20%
13:5.25 cm
14: 10:9
15: 1/500
16: 0.9 yuan
17: 269