2. It has traveled 280×5/7=200 kilometers, and it is still 280-200=80 kilometers away from B city.
3. I read 96X 1/8= 12 on the first day, 12X2/3=8 on the second day, and 12+8=20 two days ago. So the third day starts from 2 1 page.
4. One ***= 1/5+3/8=23/40 Remaining =600x( 1-23/40)=255 cases.
5.2 16*( 1+2/9)=286
6. Simple questions are rarely noticed on the Internet. If you really don't understand them, remember the steps and methods:
1, find what is 1 of 27 (5400/27=200).
2. What are the two 27 1 (2*200=400).
3. Row type: 5400 trees /27*2*9=3600 trees.
Answer: 3,600 trees were planted in 9 days.
7. Yes: 16 participated in the music and dance class.
Yes: 30 people participated in painting and calligraphy.
Participants in these two types of activities are:
30+ 16-(48-5)
=3 people
8.36x ( 1-2/3) = 12km。
9. Grade 6 homework: (450-90) × [4/(2)-3)-4]
=360×﹙4/9)
= 160 (Ben)
10.4.6 divided by (1-3/5) =11.5 You can set the original cost to X yuan, and x-3/5x=4.6 to calculate X =1/kloc-0.
1 1. Unit * * Employees: 60/(8/15-2/15) =150 (person) Middle-aged employees are150x5//.
12. The next day = 220× (1-1/4 )× (4/15) = 44 sets.
13.26 ÷ [1/3+(1-kloc-0//3) × 4/5] = 78 ÷ [1+1.6).
14. A * * * (24-12) ÷ (1-2/5-1/3)
= 12÷4/ 15
=45 packs
45×(2/5+ 1/3)- 12
=45× 1 1/ 15- 12
=33- 12
=2 1 bag
A * * * Take out 45-24=2 1 bag.
15. A: B = 3: 2 = 6: 4.
B: C = 4: 1
Namely: A: B: C = 6: 4: 1.
b = 1 10×4/(6+4+ 1)= 40。
16. Last year =220÷( 1+2/9)= 180 trees.
17.280/(1+2/5) = 200 cases.
18.200 ÷ 2 =100m
Length: 100× 3/(3+2) = 60m.
Width: 100× 2/(3+2) = 40m.
Area: 60×40=2400 square meters
19. Let the total length be x, then (4/5)x-20=220 (4/5)x=240 x=300.
20. 1.7÷( 1/2-3/7) = 1.7÷ 1/ 14 =23.8
21.1200 ÷ (2/3-3/5) × 2/5 = 7200 kg
22. Solution: We assume that there are 5/7x boys and x girls.
5/7x=(x+ 15)x2/3
5/7x=2/3x+ 10
5/7x- 1/3x= 10
1/2 1x= 10
x=2 10
2 10x5/7= 150 (person)
23. A 30-ton 30 *110 = 3 (ton)
30-3=3+ B warehouse inventory
Inventory in warehouse B =30-3-3=24 tons.
Party A ***30+24=54 tons
Equation:
Set up warehouse B to store X tons of grain.
30-3=X+3
The solution is X=24.
Another warehouse has 30 tons of grain.
* * * Stored grain 30+24=54 tons.
24.138 * 5/6 =115 people (number of subscribers to Youth Daily)
138 * 2/3 = 92 people (the number of students who ordered the composition)
115+92-138 = 69 people (the number of people booked by both)
If you don't adopt me, you will regret it. I scored more than one point. Hope to adopt