**Today’s Challenge**

Can you insert the numbers 0 to 9 exactly twice each into the gaps below so all five lines work out arithmetically?

◯ + ◯ = 15 = ◯ + ◯

◯ + ◯ = 5 = ◯ – ◯

◯ + ◯ = 10 = ◯ × ◯

◯ – ◯ = 2 = ◯ ÷ ◯

◯ + ◯ = 9 = ◯ × ◯

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**The 7puzzle Challenge**

The playing board of **the 7puzzle game** is a 7-by-7 grid containing 49 different numbers, ranging from **2 **up to **84**.

The 3rd & 6th rows of the playing board contain the following fourteen numbers:

5 12 13 18 20 25 33 36 42 45 49 56 66 80

What is the sum of the numbers in the forties?

**Make 131 Challenge**

Can you arrive at 131 by inserting 4, 5, 7 and 9 into the gaps on each line?

- ◯×◯×◯–◯ = 131
- ◯×◯×√◯+◯ = 131

**Answers **can be found **here**.

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