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90 20 3 (3 12) 3=60

insert +, - , divide or multiply in between the #'s to make it equal 60

2006-09-24 10:36:29 · 2 answers · asked by Klam 2 in Science & Mathematics Mathematics

actually, change the 20 to a 25

2006-09-24 11:34:47 · update #1

2 answers

[(90-25)-3(3+12)]x3=60
[65-3(15)]x3=60
[65-45]x3=60
20x3=60
60=60

2006-09-24 17:41:46 · answer #1 · answered by Go Longhorns! 3 · 0 0

(90*(20-3-(3+12)))/3 = 60
(90*(20-3-15))/3 = 60
(90*2)/3 = 60
180/3 = 60
60 = 60

2006-09-24 18:23:05 · answer #2 · answered by Steve A 7 · 0 0

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