Why is a positive divided by a negative equal to a negative
If (x + y) divided by (a + b) is less than 0, then (x + y) multiplied by (a + b) must be less than 0, then (x + y) multiplied by (a + b) must be negative, so (x + y) / (a + B) is also less than 0
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- 1. Why are positive and negative numbers introduced
- 2. Why introduce positive and negative numbers? Please give an example
- 3. Mathematical problem "four mixed operations of fractional multiplication" What can be calculated simply should be calculated simply (1 / 2 minus 1 / 3 plus 1 / 4 minus 1 / 5 plus 1 / 6 minus 1 / 7) x210
- 4. A few mathematical problems (four mixed operations) can be simple to simple! 1、3-1/3-1/3÷3 2、15/16+(7/16-1/4)÷1/2 3、1/5÷[(2/3+1/5)*1/13] Urgent ah ah! Can be simple to calculate! To have a process, recursive equation
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- 7. In a division formula, the decimal point of the divisor moves one place to the right, and the decimal point of the divisor moves one place to the left
- 8. What is disjunction calculation
- 9. How to calculate 76 + 85-14 × 8,
- 10. Fourth grade primary school recursive equation calculation (can skillfully calculate to skillfully calculate) urgent! Tell me if I can do it skillfully. If I can, do it skillfully. If I can't, leave it alone 99×199+99+199 67×9+99×3 (632×5+632×2+632)×125
- 11. Does the concept of remainder exist in negative numbers? How to divide a positive number by a negative number?
- 12. If the rational number of a divided by a equals - 1, then a is: A, positive number B, negative number C, non negative number d, non positive number
- 13. Negative divided by negative equals negative multiplied by what What's more, a positive number divided by a negative number equals a positive number multiplied by what? Then 1 / 3 divided by (- 4 / 3) = 1 / 3 * (?)
- 14. What is a negative number divided by a negative number
- 15. What is a negative number divided by a negative number
- 16. The result and remainder of dividing a negative number by an integer For example, what is the result of - 9 divided by 4, and what is the remainder?
- 17. How to calculate the remainder by dividing a negative number by a positive number? This kind of problem how to calculate, such as - 3 divided by 5 have remainder? How to calculate? Can quotient be negative? For example, if I say - 3 divided by 5, quotient - 1, remainder 2, I hope someone who really understands can teach me My original question is to write the set of numbers divided by 3 and 2, that is, the set of numbers divided by 3 and 2. I don't know whether negative numbers can be included, because I can write negative numbers in my answers, but I have some doubts. After all, the answers are sometimes wrong,
- 18. The remainder of a negative number divided by a positive number -17 or - 7 divided by 4 -17 △ 4 = - 5, isn't it?
- 19. Positive divided by positive = 1. Negative 2. Positive 3.0
- 20. What is the result of dividing a positive number by a negative number? Give an example