三年级数学应用题练习总汇(共68题)（Third grade mathematics application exercises total (68 questions)）.doc

三年级数学应用题练习总汇(共68题)（Third grade mathematics application exercises total (68 questions)） Third grade mathematics application exercises total (68 questions) The road team built a 1,500-meter road, which has been fixed for 300 meters. The rest will be completed in 6 days. How many meters will be taken on average every day? 2. The track of the playground is 400 meters. Uncle wang runs two and a half times a day. How many meters does he run every day? Xiao li took a step of about 5 decimeters, and she went from home to school 540 steps. How many meters does she get to the school? 4. Lanlan is 134 centimeters tall, east east is 5 centimeters taller than lanlan. What is the height of dongdong? There are 257 boys and 235 girls in red scarf primary school. There are 387 people who have had physical check-up, and how many people have no physical examination? 6. The library lent 456 books, with 207 left and now 285. How many books are there in the library now? 7. The red scarf primary school buys 380 ball balls, 70 soccer balls, 423 out of class activities. How many balls are there in the school? Eight, three (2), there are 273 books after donating 400 books, and now we buy 125 books. Now, how many books are there in the three (2) classes? Dong dong wants to buy a 310 yuan scooter and has saved 200 yuan. What if he saved 30 yuan a month and saved a few more months? The students of dongfanghong primary school donated 900 books for the hope project, including 326 storybooks, 475 science and technology books, and the rest are comic books. How many copies are there? 11, the length of a square is 8 centimeters. If you increase its length by 10 centimeters, how many centimeters does it increase in circumference? The perimeter of a rectangular playground is 400 meters long and three times the width. How many meters is the length and width of the playground? 13. There are two identical rectangles, 8 decimeters long and 4 decimeters wide. If you put them together as a rectangle, how man