SOLUTION: using the numbers 6 2 8 10 5 apply a combination of operations ( addition,subtraction,multiplication,and division) and grouping (PARENTHESES)so that each number is used once,used i

Algebra ->  Algebra  -> Coordinate-system -> SOLUTION: using the numbers 6 2 8 10 5 apply a combination of operations ( addition,subtraction,multiplication,and division) and grouping (PARENTHESES)so that each number is used once,used i      Log On

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Question 180782: using the numbers 6 2 8 10 5 apply a combination of operations ( addition,subtraction,multiplication,and division) and grouping (PARENTHESES)so that each number is used once,used in the order and the result of the expression is equal to the value of -39
Answer by jim_thompson5910(28598) About Me  (Show Source):
You can put this solution on YOUR website!
This is just one of those problems where you have to try every combination, or hope to get lucky and guess.


It turns out that the answer is
6/2+8-10*5 = -39



Here's my list of combinations (note: I did NOT use parenthesis). You have a scroll a bit to find the combination that's the answer (which is in red).


6+2+8+10+5 =31
6+2+8+10-5 =21
6+2+8+10*5 =66
6+2+8+10/5 =18
6+2+8-10+5 =11
6+2+8-10-5 =1
6+2+8-10*5 =-34
6+2+8-10/5 =14
6+2+8*10+5 =93
6+2+8*10-5 =83
6+2+8*10*5 =408
6+2+8*10/5 =24
6+2+8/10+5 =13.8
6+2+8/10-5 =3.8
6+2+8/10*5 =12
6+2+8/10/5 =8.16
6+2-8+10+5 =15
6+2-8+10-5 =5
6+2-8+10*5 =50
6+2-8+10/5 =2
6+2-8-10+5 =-5
6+2-8-10-5 =-15
6+2-8-10*5 =-50
6+2-8-10/5 =-2
6+2-8*10+5 =-67
6+2-8*10-5 =-77
6+2-8*10*5 =-392
6+2-8*10/5 =-8
6+2-8/10+5 =12.2
6+2-8/10-5 =2.2
6+2-8/10*5 =4
6+2-8/10/5 =7.84
6+2*8+10+5 =37
6+2*8+10-5 =27
6+2*8+10*5 =72
6+2*8+10/5 =24
6+2*8-10+5 =17
6+2*8-10-5 =7
6+2*8-10*5 =-28
6+2*8-10/5 =20
6+2*8*10+5 =171
6+2*8*10-5 =161
6+2*8*10*5 =806
6+2*8*10/5 =38
6+2*8/10+5 =12.6
6+2*8/10-5 =2.6
6+2*8/10*5 =14
6+2*8/10/5 =6.32
6+2/8+10+5 =21.25
6+2/8+10-5 =11.25
6+2/8+10*5 =56.25
6+2/8+10/5 =8.25
6+2/8-10+5 =1.25
6+2/8-10-5 =-8.75
6+2/8-10*5 =-43.75
6+2/8-10/5 =4.25
6+2/8*10+5 =13.5
6+2/8*10-5 =3.5
6+2/8*10*5 =18.5
6+2/8*10/5 =6.5
6+2/8/10+5 =11.025
6+2/8/10-5 =1.025
6+2/8/10*5 =6.125
6+2/8/10/5 =6.005
6-2+8+10+5 =27
6-2+8+10-5 =17
6-2+8+10*5 =62
6-2+8+10/5 =14
6-2+8-10+5 =7
6-2+8-10-5 =-3
6-2+8-10*5 =-38
6-2+8-10/5 =10
6-2+8*10+5 =89
6-2+8*10-5 =79
6-2+8*10*5 =404
6-2+8*10/5 =20
6-2+8/10+5 =9.8
6-2+8/10-5 =-0.2
6-2+8/10*5 =8
6-2+8/10/5 =4.16
6-2-8+10+5 =11
6-2-8+10-5 =1
6-2-8+10*5 =46
6-2-8+10/5 =-2
6-2-8-10+5 =-9
6-2-8-10-5 =-19
6-2-8-10*5 =-54
6-2-8-10/5 =-6
6-2-8*10+5 =-71
6-2-8*10-5 =-81
6-2-8*10*5 =-396
6-2-8*10/5 =-12
6-2-8/10+5 =8.2
6-2-8/10-5 =-1.8
6-2-8/10*5 =0
6-2-8/10/5 =3.84
6-2*8+10+5 =5
6-2*8+10-5 =-5
6-2*8+10*5 =40
6-2*8+10/5 =-8
6-2*8-10+5 =-15
6-2*8-10-5 =-25
6-2*8-10*5 =-60
6-2*8-10/5 =-12
6-2*8*10+5 =-149
6-2*8*10-5 =-159
6-2*8*10*5 =-794
6-2*8*10/5 =-26
6-2*8/10+5 =9.4
6-2*8/10-5 =-0.6
6-2*8/10*5 =-2
6-2*8/10/5 =5.68
6-2/8+10+5 =20.75
6-2/8+10-5 =10.75
6-2/8+10*5 =55.75
6-2/8+10/5 =7.75
6-2/8-10+5 =0.75
6-2/8-10-5 =-9.25
6-2/8-10*5 =-44.25
6-2/8-10/5 =3.75
6-2/8*10+5 =8.5
6-2/8*10-5 =-1.5
6-2/8*10*5 =-6.5
6-2/8*10/5 =5.5
6-2/8/10+5 =10.975
6-2/8/10-5 =0.975
6-2/8/10*5 =5.875
6-2/8/10/5 =5.995
6*2+8+10+5 =35
6*2+8+10-5 =25
6*2+8+10*5 =70
6*2+8+10/5 =22
6*2+8-10+5 =15
6*2+8-10-5 =5
6*2+8-10*5 =-30
6*2+8-10/5 =18
6*2+8*10+5 =97
6*2+8*10-5 =87
6*2+8*10*5 =412
6*2+8*10/5 =28
6*2+8/10+5 =17.8
6*2+8/10-5 =7.8
6*2+8/10*5 =16
6*2+8/10/5 =12.16
6*2-8+10+5 =19
6*2-8+10-5 =9
6*2-8+10*5 =54
6*2-8+10/5 =6
6*2-8-10+5 =-1
6*2-8-10-5 =-11
6*2-8-10*5 =-46
6*2-8-10/5 =2
6*2-8*10+5 =-63
6*2-8*10-5 =-73
6*2-8*10*5 =-388
6*2-8*10/5 =-4
6*2-8/10+5 =16.2
6*2-8/10-5 =6.2
6*2-8/10*5 =8
6*2-8/10/5 =11.84
6*2*8+10+5 =111
6*2*8+10-5 =101
6*2*8+10*5 =146
6*2*8+10/5 =98
6*2*8-10+5 =91
6*2*8-10-5 =81
6*2*8-10*5 =46
6*2*8-10/5 =94
6*2*8*10+5 =965
6*2*8*10-5 =955
6*2*8*10*5 =4800
6*2*8*10/5 =192
6*2*8/10+5 =14.6
6*2*8/10-5 =4.6
6*2*8/10*5 =48
6*2*8/10/5 =1.92
6*2/8+10+5 =16.5
6*2/8+10-5 =6.5
6*2/8+10*5 =51.5
6*2/8+10/5 =3.5
6*2/8-10+5 =-3.5
6*2/8-10-5 =-13.5
6*2/8-10*5 =-48.5
6*2/8-10/5 =-0.5
6*2/8*10+5 =20
6*2/8*10-5 =10
6*2/8*10*5 =75
6*2/8*10/5 =3
6*2/8/10+5 =5.15
6*2/8/10-5 =-4.85
6*2/8/10*5 =0.75
6*2/8/10/5 =0.03
6/2+8+10+5 =26
6/2+8+10-5 =16
6/2+8+10*5 =61
6/2+8+10/5 =13
6/2+8-10+5 =6
6/2+8-10-5 =-4
6/2+8-10*5 =-39
6/2+8-10/5 =9
6/2+8*10+5 =88
6/2+8*10-5 =78
6/2+8*10*5 =403
6/2+8*10/5 =19
6/2+8/10+5 =8.8
6/2+8/10-5 =-1.2
6/2+8/10*5 =7
6/2+8/10/5 =3.16
6/2-8+10+5 =10
6/2-8+10-5 =0
6/2-8+10*5 =45
6/2-8+10/5 =-3
6/2-8-10+5 =-10
6/2-8-10-5 =-20
6/2-8-10*5 =-55
6/2-8-10/5 =-7
6/2-8*10+5 =-72
6/2-8*10-5 =-82
6/2-8*10*5 =-397
6/2-8*10/5 =-13
6/2-8/10+5 =7.2
6/2-8/10-5 =-2.8
6/2-8/10*5 =-1
6/2-8/10/5 =2.84
6/2*8+10+5 =39
6/2*8+10-5 =29
6/2*8+10*5 =74
6/2*8+10/5 =26
6/2*8-10+5 =19
6/2*8-10-5 =9
6/2*8-10*5 =-26
6/2*8-10/5 =22
6/2*8*10+5 =245
6/2*8*10-5 =235
6/2*8*10*5 =1200
6/2*8*10/5 =48
6/2*8/10+5 =7.4
6/2*8/10-5 =-2.6
6/2*8/10*5 =12
6/2*8/10/5 =0.48
6/2/8+10+5 =15.375
6/2/8+10-5 =5.375
6/2/8+10*5 =50.375
6/2/8+10/5 =2.375
6/2/8-10+5 =-4.625
6/2/8-10-5 =-14.625
6/2/8-10*5 =-49.625
6/2/8-10/5 =-1.625
6/2/8*10+5 =8.75
6/2/8*10-5 =-1.25
6/2/8*10*5 =18.75
6/2/8*10/5 =0.75
6/2/8/10+5 =5.0375
6/2/8/10-5 =-4.9625
6/2/8/10*5 =0.1875
6/2/8/10/5 =0.0075