10 channel multiplication vertical 10 channel division vertical 10 channel addition vertical 10 channel subtraction vertical
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- 1. Help out the mixed calculation problem of three digit fraction addition and subtraction It must be three digit, with addition and subtraction, not too difficult, for example, 6-7-2-7 + 1-7 The more the better, the more bonus points
- 2. 75 questions in addition, subtraction and separation of fractions Don't multiply and divide
- 3. A little more easy to calculate the fifth grade scores
- 4. ① 100 kg rapeseed can extract 42 kg oil, 1 kg rapeseed can extract how many kg oil? ② Xiao Ming finished reading a book in a week. What percentage of the book does he read every day?
- 5. Simple calculation for grade five
- 6. More simple point, because you have to copy the question, the question is shorter, no answer is OK It's not a test paper. It's a practical problem
- 7. Calculate the following questions, so how to do it easily 48×69+48×31 26×45÷(85-46) 125.3-27.44-12.56 7200÷25÷4 2.95+23.47+5.05+6.53 0.25×32×12.5
- 8. How to simplify and how to calculate 2.8×13+3.6×4.5 = = 23.4÷7.8×2.1 = =
- 9. Recursive equation calculation Seven and seven tenths × one and five ninths + 2.3 △ () (fill in the number that is not 1 or 0)
- 10. Recursive equation calculation 2.7×4.3+27×0.48+0.27×8
- 11. How to list the vertical form of decimal multiplication (Su Jiao) Fifth grade decimal multiplication and division, how to column vertical?
- 12. Why in the vertical calculation of decimal multiplication, the writing format of two multipliers is not the common digit alignment, but the last digit alignment?
- 13. Vertical calculation of 2-digit and 2-digit multiplication x 9 8 —————— —————— —————— ——————
- 14. How to calculate the number of vertical digits of decimal multiplication (please list the vertical digits) the following questions, please give an example: 1.3 * 3.4 (and accurate to 10 digits) It's a 1.3 * 3.4 product, accurate to the tenth
- 15. What's a quick and easy way to double digit multiplication?
- 16. When calculating a two digit multiplication, Xiaoqin regards "7" on one digit of a factor as "1", and the result is 3726; Xiaolin regards "8" on ten digits of the same factor as "5", and the result is 2622, and the correct product should be______ .
- 17. How to quickly calculate two digit multiplication (two digit multiplication and division)
- 18. Any two digit multiplication problem? 43×85=3655 4 × 3 × 8 5 4 4 + 32 15 36 55 How is the last 36 55 calculated
- 19. My son has just been on the first day of junior high school. The mixed operation of rational numbers is in a mess. What should I do?
- 20. A calculation problem is simplified first, then evaluated -2 (mn-3m & sup2;) - {M & sup2; - 5 (mn-m & sup2;) + 2Mn}, where M = 1, n = 2