1. There are 260 new varieties of poplar and willow in the urban green belt, among which the number of poplar is three times that of willow. How many willows have been planted? 2. The sum of number A and number B is 192, and it is known that the quotient of number A divided by number B is 7. What are the numbers a and b?
3. The sum of the minuend, subtraction and difference is equal to 900, and the known difference is 8 times that of subtraction. What is the difference?
The sum of dividend, divisor and quotient is 735, and the known quotient is 7. What are the dividend and divisor?
5. Weight of two barrels of oil * * * 150kg. Take 20kg from barrel A and pour it into barrel B. At this time, the oil in barrel B is three times more than that in barrel A. How many kilograms is there in each barrel?
6. Xiaoming and his father are 46 years old this year. Three years ago, his father was only three times as big as Xiao Ming. How old are Xiaoming and his father this year?
7. Kobayashi and Xiaojun * * * have 49 pictures. After Kobayashi gave four pictures to others, the number of pictures left was five times that of Xiaojun. How many pictures did Xiao Lin and Xiao Jun have?
8. Warehouse A and Warehouse B * * * stored 2,200 kilograms of grain. After 265,438+00 kilograms were shipped out of warehouse B, the grain stored in warehouse A was 380 kilograms less than that in warehouse B. How many kilograms did the two warehouses originally store?
9. A fruit shop * * * bought 160 boxes of fruit, of which the number of boxes of oranges is three times that of bananas, and the number of boxes of apples is four times that of bananas. How many boxes of three kinds of fruits?
10, 1482 Jin of vegetables were delivered from the market, in which the weight of cucumber was twice that of eggplant and the weight of cabbage was five times that of cucumber. How many kilograms are there in each of these three vegetables?
extreme
1. The school bought 240 boxes of two kinds of chalk. As we all know, the number of boxes of white chalk is five times that of colored chalk. How many boxes of two kinds of chalk did you buy? Master and apprentice produced 90 parts in three hours. It is known that the master produces twice as many parts per hour as the apprentice. How many parts do the master and apprentice make every hour?
Brother and brother have 48 books. After the elder brother gave the younger brother five books, the younger brother had three times as many books as the younger brother. How many books do my brother and brother have?
There are 230 tons of grain in the two granaries of Party A and Party B.. Later, warehouse A shipped 50 tons and warehouse B shipped 20 tons. At this time, the grain of warehouse B was three times that of warehouse A. How many tons were there in warehouse A and warehouse B?
5. There are 372 students in the third and fourth grades in a school, and the number of students in the third grade is twice that of the fourth grade, with 36 students. How many students are there in the third and fourth grades?
6. There are 180 monkeys on the monkey mountain in the zoo. The number of big monkeys is three times less than that of small monkeys. How many monkeys are there on Monkey Mountain?
7. There are 270 red, yellow and blue glass balls. The number of yellow balls is twice that of red balls, and the number of blue balls is three times that of yellow balls. How many glass balls are there in each of the three colors?
8. There are 46 books on the upper floor and 22 books on the lower floor. How many books must be taken from the lower shelf and put on the upper shelf?
9. When two numbers are divided, the quotient 3 is 10, and the sum of dividend, divisor, quotient and remainder is 163. What are the dividend and divisor respectively?
10, warehouse a has 54 tons of grain, which is less than warehouse b 16 tons. How many tons must be transported from warehouse b to warehouse a to make warehouse a have three times as much grain as warehouse B?