Solution: Xiao Juan 60/2-6/2=27 flowers,
Xiaoyan 60/2+6/2=33.
2. The total length of Kangzang Highway and Qinghai-Tibet Highway is 4355 kilometers, and Kangzang Highway is longer than Qinghai-Tibet Highway 155 kilometers. How long are these two roads?
Solution: Kangzang Highway = 4355/2+ 155/2 = 2255km,
Qinghai-Tibet highway = 4355/2-155/2 = 2100km.
Xiaoxi and Xiaole are 23 years old this year. In five years, Xiaoxi will be five years older than Xiaole. How old are Xiaoxi and Xiaole this year?
Solution: Xiaoxi 23/2+5/2= 14 years old.
Xiaole 23/2-5/2=9 years old.
Two baskets of oranges weigh 56 kilograms. If you take 8 kilograms from the first basket and put them in the second basket, the oranges in the two baskets are equally heavy. How many baskets of oranges are there in each basket?
Solution: the first box 56/2+8=36 kg,
The second box 56/2-8 = 20kg.
Xiao Ming and Xiao Fang have 98 comic books. If Xiao Ming gives Xiao Fang 10, Xiao Ming has two more than Xiao Fang. How many comic books does Xiaoming and Xiao Fang each have?
Solution: Xiaoming 98/2+ 10+2/2 = 60 copies,
98/2- 10-2/2=38 parts of small square,
6. Two cages with 24 eggs. If you put four more eggs in cage A and take three eggs out of cage B, there are more eggs in cage B than in cage A 1 ... How many eggs are there in cage A and cage B?
Solution: Armored cage 24/2-4=8.
B cage 24/2+3+ 1= 16.
7. There are 864 students in two schools, A and B. In order to take care of students' enrollment nearby, 32 students were transferred from A school to B school, so A school has 48 more students than B school. How many students are there in School A and School B?
Solution: A 864/2+32+48/2= 488 people,
B 864/2-32-48/2=376 persons
8. A book has three volumes. The first volume is more expensive than the second volume in 5 yuan, and the second volume is more expensive than the second volume in 7 yuan, so four books are worth 340 yuan. How much is one middle school and two volumes?
Solution: Volume 1 (340+5+5+7)/3= 1 19 yuan,
Middle shift119-5 =114 yuan,
Volume 2 1 14-7= 107 yuan.
9. There are 83 students in Class A and Class B, 86 students in Class B and Class C, and 88 students in Class C and Class D. How many students are there in Class A and Class D?
Solution: A Ding =(83+86+88-2*86)=85 people.
10. Enclose a rectangle with a length of 180 cm, and the length of one side is wider than the width of one side 10 cm. How many centimeters is the width of this rectangle?
Solution: length 180/2+ 10/2 = 95cm,
Width 180/2- 10/2 = 85cm,
1 1. There are four classes in grade six, excluding Class A, and the total number of the other three classes is131; Excluding Class D, the total number of the other three classes is134; The total number of students in Class B and Class C is less than that in Class A and Class D 1 ... What is the total number of students in four classes?
Solution: A+D = (131+134+2)/3 = 89 people.
So A+B+C+D = 89 * 2-1=177 people.
12. Among Xiaoming's books, 58 are not story books and 42 are not science books. Xiaoming has 60 story books and science books. How many science books does Xiaoming have?
Solution: There are (58+42+60)/2=80 books in total.
There are 80-58=22 story books.
There are 80-42=38 science and technology books.
13. The kindergarten bought 20 small tables and 20 small stools, which cost 2520 yuan. A small table is more expensive than a small stool. How much is a small table and a small stool?
Solution: Small table 2520/20+20/2= 136 yuan,
Small stool 2520/20-20/2= 1 16 yuan
I hope I can help you, O(∩_∩)O~