DAY 57:

Today’s Challenge

Replace the 12 ◯’s below with 1, 1, 2, 2, 3, 3, 4, 4, 5, 6, 7 and 8 so all three lines work out:

◯  +  ◯   =    5    =   ◯  –  ◯
◯  +  ◯   =    9    =   ◯  ×  ◯
◯  +  ◯   =    8    =   ◯  ÷  ◯

Can you complete this MATHELONA challenge?

The 7puzzle Challenge

The playing board of the 7puzzle game is a 7-by-7 grid of 49 different numbers, ranging from up to 84.

The 4th & 6th rows contain the following fourteen numbers:

3   5   10   12   18   20   32   33   35   44   49   54   56   60

Which four different numbers from the list have a sum of 100?

Make 57 Challenge

Can you arrive at 57 by inserting 3, 4, 6 and 11 into the gaps in both lines?

  •  ◯×◯+◯×◯ = 57
  •  (◯+◯+√◯)× = 57

Answers can be found here.

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