2. Coat: 50 yuan pants: 30 yuan shoes: 19 yuan.
(1) Buy a pair of pants and shoes * * * () Money.
(2) Xiaohua wants to buy a coat, a pair of trousers and a pair of shoes, 100 yuan. Is that enough?
In order to rehearse this dance, 30 girls and 25 boys are needed. How many students do I need?
4.( 1) There are 8 people playing table tennis and 36 people doing exercises in the activity class. How many students are playing table tennis and doing exercises?
(2) In the activity class, 26 students participated in sports activities and 40 students participated in literary and artistic activities. How many people participated in these two activities?
There are 46 students and 20 boys in our class. How many girls are there?
6.( 1) There are 48 seats on a bus, and there are 7 seats left after passengers get on the bus. How many passengers are there on board?
(2) A bus has 48 seats and 30 passengers get on. How many seats are left?
7.( 1) A book has 42 pages, and Xiaohua has read 7 pages. How many pages are left to read?
(2) A book has 42 pages, Xiaohua has read some, and 30 pages have not been read. How many pages did Xiaohua read?
8.( 1) There are 84 comic books in the library, and 9 of them have been lent out. How many books are left?
(2) There are 84 comic books in the library, 9 of which are borrowed from Class One and 8 from Class Two. How many books are left?
9. Schoolbag: 49 yuan watercolor pen: 10 yuan Ink: 3 yuan
(1) How much is the schoolbag more expensive than the marker?
(2) How much is ink cheaper than watercolor pens?
(3) What other questions can you ask?
10, Mother Rabbit: I got 35 radishes. Rabbit: I have 30 radishes.
(1) How many more radishes did the mother rabbit receive than the baby rabbit?
(2) How many radishes does the rabbit take less than the mother rabbit?
1 1, hen: 35 chicks: 50 chicks.
(1) How many chickens are there than hens?
(2) How many hens are fewer than chickens?
12, bus: 30 CMB: 45 car: 40 car
(1) How many cars are there than buses?
(2) How many buses are there in China?
(3) What other questions can you ask?
13. Take 50 yuan to buy tickets and give me 20 yuan. How much did this ticket cost?
14. In the skipping competition, Xiaoming jumped 20 times, Xiaodong 30 times and Xiaoli 46 times.
(1) How many times does Xiaoming jump less than Xiaodong?
(2) How many times does Xiao Li jump than Xiao Dong?
(3) What other questions can you ask?
15, the students planted trees, class one planted 20 trees, class two planted 35 trees and class three planted 40 trees.
(1) How many more trees have been planted in Class Two than in Class One?
(2) How many trees have been planted in Class One than in Class Three?
(3) How many trees are planted in three classes?
16. How many waste plastic bottles did Xiaohua collect?
Xiao Gang: I collected 50 waste plastic bottles.
Xiaohua: I'll take nine more, as much as you.
17, swimming: 25 people running: 30 people long jump: 20 people
(1) How many more students take part in swimming than in running?
(2) How many runners are there than long jumpers?
(3) What other questions can you ask?
18, Dad: I'm 32 years old. Son: I am 8 years old.
/kloc-how old is the father after 0/0 years?
19, shopping
Ben: 1 Yuan watercolor pen: 13 yuan pen: 1 Yuan angle alarm clock: 29 yuan.
(1) How much does it cost to buy a box of watercolor pens and an alarm clock?
(2) Xiaohong bought a pencil box and paid 5 yuan money. The salesman got back 1 50 yuan. How much is a pencil box?
(3) How can I pay for a pen?
(4) How much is a pen more expensive than a book?
(5) What two things can Xiao Ming buy with 20 yuan money? How much is left?
(6) What other math questions can you ask? Write it out and answer it.
20. There are 15 apples in a * * *. There are eight apples outside. How many are there in the basket?