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What are the highest and lowest numbers you can possibly score?

+1 vote
89 views

Calculate the numbers in the order shown, do not change the order of the numbers.

Replace each question mark with a mathematical sign.

Plus, minus, multiply and divide can each be used once only.

What are the highest and lowest numbers you can possibly score?

3 ? 5 ? 8 ? 5 ? 6 =

posted Apr 5, 2019 by Puneet Batra

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2 Answers

0 votes

3+5*8-5/6 = 42.17
3-5*8+5/6 = -36.17


Here is all possible ways and results sorted from high to low:
3+5*8-5/6 = 42.17
3+5*8+5-6 = 42.00
3/5+8*5-6 = 34.60
3-5/8+5*6 = 32.38
3/5-8+5*6 = 22.60
3*5+8-5/6 = 22.17
3*5-8/5+6 = 19.40
3*5+8/5-6 = 10.60
3*5-8+5/6 = 7.83
3-5+8/5*6 = 7.60
3-5/8*5+6 = 5.88
3/5*8-5+6 = 5.80
3-5+8*5/6 = 4.67
3/5*8+5-6 = 3.80
3*5/8-5+6 = 2.88
3+5/8+5-6 = 2.63
3+5-8*5/6 = 1.33
3-5*8/5+6 = 1.00
3*5/8+5-6 = 0.88
3+5-8/5*6 = -1.60
3/5+8-5*6 = -21.40
3+5/8-5*6 = -26.38
3/5-8*5+6 = -33.40
3-5*8+5/6 = -36.17

answer Apr 5, 2019 by Hanifa Mammadov
0 votes

The minimum number is 0
3 + 5 - 8 x 5 / 6 ,
The maximum number is 9,83333
3 + 5 x 8 - 5 / 6

answer Apr 8, 2019 by anonymous



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