2. Two cars, A and B, set off from two places 90 kilometers apart at the same time and met on the road hours later. Car A is 60 kilometers per hour, and car B is how many kilometers per hour?
A fruit shop has a batch of fruits. The first shipment was 50 kilograms, the second shipment was 70 kilograms, and the first two shipments happened to be this batch of fruit. How many kilograms are there in this batch of fruit?
There are 23 boys and 22 girls in Class One of Grade Six, and the whole class accounts for the total number of students in Grade Six. How many students are there in the sixth grade?
5. There are 18 white rabbits and black rabbits in the feeding group, of which only black rabbits are white rabbits. How many white rabbits and black rabbits are there?
6. Xiaoli bought a ballpoint pen and a pen and spent 12 yuan. The unit price of a ballpoint pen is one. What is the unit price of ballpoint pen and pen?
7. A suit 160 yuan, in which the price of pants is the coat. How much are the coat and trousers?
8. The typist typed a manuscript. On the first day, 12 page was typed, and on the second day, 13 page was typed. The number of pages typed in these two days accounted for the manuscript. How many pages are there in this manuscript?
9. Xiaohua collected 60 more pictures on the matchbox than Xiaoming did. Xiaoming collected the pictures on the matchbox belonging to Xiaohua. How many pictures are there on the matchbox collected by Xiaoming in Oubana?
10, (1) A construction site used cement 18 tons in the first half of September and cement in the second half of September. How many tons of cement will be used in September?
(2) A construction site used 34 tons of cement in September, and the cement used in the second half was in the first half. How many tons of cement were used in the first half month?
1 1. An engineering team built an expressway. The first day is 38 meters, and the second day is 42 meters. The next day, the road was built much more than the first day. How long is this road?
12. Desk is more expensive than chair 10 yuan. If the unit price of chairs is the unit price of desks, what is the unit price of desks and chairs?
13, Xiaohong bought a bag of rice and ate it, leaving 15 kg. How many kilograms of rice did you buy?
14, a canal has been repaired, with 240 meters left to be repaired. How long is this canal?
15, a factory used 480 tons of water in 10, saving more than originally planned. /kloc-how many tons of water was originally planned in October?
16. A factory used 480 tons of water in 10, more than originally planned. /kloc-how many tons of water was originally planned in October?
17, a telephone pole, with full length of buried part and 5m exposed part. How long is this telephone pole?
18, the artificial earth satellite runs 8 kilometers per second, which is slower than the spacecraft. How many kilometers does the spaceship run per second?
19. The total output of vegetables in a county last year was 7.2 million Jin, more than last year. What is the total output of vegetables in the county this year?
20. If a livestock farm sells the number of beef cattle, there are still 250 left. How many beef cattle are there in this livestock farm?
2 1.a county afforested 1260 hectares last year, exceeding the original plan. How many hectares were originally planned for afforestation?
The tallest animal in the world is the giraffe. There is a giraffe 5 meters high, taller than an elephant. How tall is this elephant?
23. When water freezes, its volume will increase. Now the volume of a piece of ice is 2 cubic decimeters. What is the volume after melting?
Dolphins can swim 70 kilometers per hour, faster than blue whales. How many kilometers can a blue whale swim per hour?
25. The weight of silver per cubic centimeter is lighter than that of lead per cubic centimeter. How many grams does lead weigh per cubic centimeter?
Contrast:
1. There are 20 footballs in the school. Basketball is more than football. How many?
There are 20 footballs in the school. There are more football than basketball. How many basketballs are there?
There are 20 footballs in the school. Basketball is less than football. How many?
There are 20 footballs in the school. Football is less than basketball. How many basketballs are there?
What are the differences in the solutions to different problems? What are the similarities in thinking?
Exercise:
1, (1) Xiaohua weighs 30 kilograms, Xiaoli is heavier than Xiaohua, and how many kilograms does Xiaoli weigh?
(2) Xiaohua weighs 30 kilograms, which is lighter than Xiaogang. How much does Xiao Gang weigh?
There are 15 pear trees and 20 apple trees in the school orchard.
(1) How many apples are there than pears?
(2) How many pear trees are fewer than apple trees?
(3) How many apple trees are there than pear trees?
(4) How many pear trees are fewer than apple trees?
(1) There are two wires. One bundle is120m long, which is shorter than the other. How long is the other bundle of wires?
(2) There are two wires. One bundle is 120m long, and the other bundle is longer than it. How long is the other bundle of wires?
(1) Original price of a VCD player 1260 yuan. Now the price is lower than before. What's the current price?
(2) At present, the price of a VCD player is 924 yuan. Lower the price than before. What is the original price?
5. The store shipped120kg apples, and shipped more pears than apples. How many kilograms of pears are there in the shop?
6. Xiaojun's airplane model flew in the air for 2 minutes, which was longer than Xiaofeng's airplane model. How long did Xiaofeng's model plane fly in the air?
7. The store shipped 550 kilograms of flour, and the rice shipped was less than the flour. ( )?
8.( 1) The road between Party A and Party B is 2 16 kilometers long. A car goes all the way from A to B. How many kilometers is it from B to B?
(2) The whole journey from A to B is exactly 8 1 km. How many kilometers is the highway between these two places?
(3) A car has been driving from A to B, and it is still 135km away from B. How many kilometers is the highway between these two places?
(4) A car from A to B, every hour, every second hour, two hours 1 14km. How many kilometers is the highway between these two places?