Calculate 24 points 1,3,6,8 2,4,7,8
(1)“(6-3)*(8*1)=24”(2)“(4*7)-(8\2)=24”
Calculate 24 points (3 kinds of formulas should be written)
3,4,-6,10
(10-4) * 3 - (- 6) = 24 (10 + 4-6) * 3 = 24
Using "1,5,5,5" to calculate 24 points, we need to calculate the formula
5/(5-1:5)=24
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- 1. Use 3,4,6,10 to calculate 24 points by addition, subtraction, multiplication and division
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- 11. 12 × 42 is equal to 24 × 21
- 12. 3,12, - 1, - 12 how to make the result of the formula equal to 24 or - 24
- 13. With +- × ÷ Make 5,6,11,13 into a formula with brackets so that the result is 24, and use all four,
- 14. 8 3 8 4 what symbol is added to make the number equal to 24
- 15. Add a mathematical sign to 1 23 4 5 6 7 8 9 so that the number is 1
- 16. 9 / 1 9 / 1 9 / 1 9 / 1 9 / 1 9 / 1 no matter what mathematical sign is added in the middle, the number will be zero
- 17. If the product of three rational numbers is negative, then the number of negative factors is ()
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- 20. If the sum of two numbers is negative, then the two numbers must be () A. Both positive numbers B. both negative numbers C. one positive and one negative D. cannot be determined