Wednesday, 2 April 2014

Broken Calculator

   
   
   
    
1 = 5 - 4
2 = 4 x 4 - 5 - 5 - 4
3 = 4 x 4 - 5 - 4 - 4
4 = 4 x 4 - 4 - 4 - 4
5 = 5 x 4 - 5 - 5 - 5
6 = 5 x 4 - 5 - 5 - 4
7 = 5 x 4 - 5 - 4 - 4
8 = 4 x 4 - 4 - 4
9 =
10 = 5 x 4 - 5 - 5
11 = 4 x 4 - 5
12 = 4 x 4 - 4
13 =
14 =
15 = 5 x 5 - 5 - 5
16 = 5 x 5 - 4 - 5
17 = 5 x 5 - 4 - 4
18 =
19 =
20 = 5 x 4

WALT use appropriate strategies to solve problems.

1 comment:

  1. This was a pretty tough challenge Rosalind. Did you end up solving the numbers you are missing?

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