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0
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avatar+252 

1. If a,b ,c ,d and  are four different digits from 1 to 9 , inclusive, then what's the largest possible value for the decimal a.b + c.d?

2. If a,b ,c ,d and  are four different digits from 1 to 9 , inclusive, then what's the largest possible value for the decimal a.b - c.d?

3. If a,b ,c ,d and  are four different digits from 1 to 9 , inclusive, then what's the largest possible value for the decimal a.bc + 0.d?

 Mar 11, 2021
edited by weredumbmaster22  Mar 11, 2021
edited by weredumbmaster22  Mar 11, 2021
 #1
avatar+117631 
+2

1. If a,b ,c ,d and  are four different digits from 1 to 9 , inclusive, then what's the largest possible value for the decimal a.b + c.d?

 

9.8   +  7.6    =  17.4

 

 

 

2. If a,b ,c ,d and  are four different digits from 1 to 9 , inclusive, then what's the largest possible value for the decimal a.b - c.d?

 

9.8  - 1.2  =  8.6

 

cool cool cool

 Mar 11, 2021
 #2
avatar+117631 
+1

3. If a,b ,c ,d and  are four different digits from 1 to 9 , inclusive, then what's the largest possible value for the decimal a.bc + 0.d?

 

Less sure about this one...I get

 

    9.86

 + 0.7

_______

  10.56

 

cool cool cool

 Mar 11, 2021
 #3
avatar+252 
+1

#2 and 3 are correct but #1 isnt??

 Mar 11, 2021
edited by weredumbmaster22  Mar 11, 2021
 #4
avatar+117631 
+2

Yeah....I see I can get something larger

 

9.7  + 8.6    =  18.3   maybe  ???

 

 

cool cool cool

CPhill  Mar 11, 2021
 #5
avatar+252 
+1

Yes Mr.CPhill it i correct, i am glad i made a account on web2.0 calc a very wise decision...!!!!

 Mar 11, 2021
 #6
avatar+117631 
+1

Glad you are with us   !!!!

 

 

cool cool cool

CPhill  Mar 11, 2021

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