Daily Archives: April 17, 2017

DAY 108:

Today’s Challenge Here’s seven more mental arithmetic questions to try.  Can you get all seven correct? (11 – 5) – (4 + 1) = ? What is 10 more than –4? 47 × 4 = ? 0.32 ÷ 4 = ? 3/4 × 2/3 … Continue reading

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