Oral arithmetic of positive and negative numbers I hope it's simpler
-5+9=? 2-8=? 3x(-6)=?9-(-3)=?25+(-11)=?-38/(-19)=?
7-(-3)=?
RELATED INFORMATIONS
- 1. Fourth grade multiplication problem Three digit by two digit of 100 questions
- 2. Searching for 200 mixed operations of rational numbers
- 3. Several mixed operations of rational numbers 1-0.2×【-3-4×(18/5-5.3)】 (1/20-3/4)×【5/7+(-5/14)】 -22/7×(22/7-4/3)×7/22÷(-22/21) {4-【12+4×(3-10)】}÷5 The above four problems can be easily calculated by the formula
- 4. The method of mixed operation of rational numbers
- 5. First rational number mixed operation 20 points, to process and answer
- 6. 2011 / 1-2010 / 1 + 2010 / 1-2009 / 1 + 2009 / 1-2008 / 1 + +2 / 1-1
- 7. The first problem to be solved is the answer to the problem on page 176 of mathematics volume 1 of Grade 7 in Beijing Normal University
- 8. There must be a problem with the plan, and there must be others
- 9. How to solve the second problem on page 190 of the seventh grade mathematics volume I of Beijing Normal University Edition
- 10. If the purchase price of a commodity is 3000 and the price is 4500, how much discount can the store sell at a discount of no less than 5% of the profit? If the sales of the commodity is not good, the store will sell it at a discount of no more than 5% of the profit. How much discount can the store sell it at a discount of no more than 5% of the profit?
- 11. Oral arithmetic in grade one of primary school
- 12. 150 oral arithmetic problems in junior high school
- 13. The second semester of primary school
- 14. 300 oral arithmetic questions in Grade Four
- 15. Find the number within 30 mixed operation exercises, the more the better~
- 16. One minute can write () words, one minute can do () crossing calculation, one minute can walk () meters, one minute can count () numbers, one minute can
- 17. Wang Ming can complete 12 mental arithmetic problems in 3 minutes. Now it takes him only 2 minutes to complete 12 mental arithmetic problems, and his speed of mental arithmetic has increased by several percent
- 18. It takes one sixth of a minute for Xiao Ming to do a mental arithmetic problem. He can do several mental arithmetic problems in five minutes
- 19. How many mental arithmetic problems can I do in a minute in grade five I need answers before August 31
- 20. 120 mental arithmetic questions in Volume 1 of grade 4 Please give me 120 mental arithmetic questions. I will do them before February 15!