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