Daily Archives: March 15, 2018

DAY 75:

Today’s Challenge Start with the number 13, then follow these ten arithmetic steps: –2   +5   ÷2   ×5   –4   ÷9   +1   ×5   –1   ÷4   =   ? What is your final answer? The 7puzzle Challenge The playing board of the 7puzzle game is a 7-by-7 … Continue reading

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