![](data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 72 71" width="72"></svg>)
Simple calculation of (3 / 8 + 2 / 17) × 8 + 1 / 17
(3/8+2/17)×8+1/17
=3/8×8+2/17×8+1/17
=3+(16/17+1/17)
=3+1
=4
A simple algorithm for 456 - (56 + 118) true samples
456-(56+118) =456-56-118 400-118 =282
Remember to adopt it
RELATED INFORMATIONS
- 1. Simple calculation of 0.56 times 301
- 2. Simple calculation: 12 × (11 / 12-7 / 30) × 30 4 and 1 / 5-1 / 6 - (5 / 2-5 / 6) 4.38-1.56 + 0.62-0.44 13 out of 16 × (9 out of 13 × 17-9 out of 13)
- 3. 150 three step recursive equation calculation problem urgent! There must be three steps
- 4. 6.47*52+64.7*4.8
- 5. Can abacus calculate multiplication and division?
- 6. Who can illustrate the abacus or explain the calculation method of the abacus in spoken language?
- 7. Change the operation order of 671 + 29 × 4 ÷ 2 to sum first, then to product, and finally to quotient______ ．
- 8. (- 15) how much is 16 times yourself What do I say is equal to? What is the 16th power of minus 15
- 9. How much is 8 times 12.5%?
- 10. Can you tell me how these figures are equal to six It's OK to add, subtract, multiply and divide, as long as it's equal to six These numbers can't be changed,
- 11. Can you draw a 15 degree angle with a triangle ruler?
- 12. How much is 1000 plus 40 plus 1000 plus 30 plus 1000 plus 20 plus 1000 plus 10
- 13. The students went to plant trees. In the first group, 20 trees were planted at 30 points, and in the second group, 12 trees were planted at 18 points. Which group planted trees faster than others in the same lesson,
- 14. Four (1) class students plant trees, each plant one tree, there are 20 trees left, each plant two trees, the difference is 30 trees. How many students? How many saplings?
- 15. Class 51 is divided into three groups to plant trees. The first group has 15 people to plant 6 trees, the second group has 18 people to plant 7 trees, and the third group has 24 people to plant 13 trees?
- 16. Students went to plant trees. The first group planted 18 trees in 30 minutes, and the second group planted 12 trees in 18 minutes. Which group planted trees faster?
- 17. A triangle, an angle of 30 degrees, an angle of 60 degrees, of course, there is another 90 degrees, so what is the proportion of the sides of the triangle? What's more, is there any link to cosin, cosin and other related angle issues?
- 18. Why does a triangle have an angle of 90 degrees, an angle of 30 degrees, and an angle of 60 degrees to find the relationship between the sides of the triangle
- 19. 46 degrees 53 minutes + 27 degrees 7 seconds= quickly
- 20. The greatest common factor of 63 and 21