1. 4 + 12 =
2. 19 – 3 =
3. 5 + 4 – 7 + 12 =
4. 23 – 7 + 8 – 11 =
5. 31 + 6 – 5 + 7 =
6. 5 × 7 – 8 + 12 =
7. 36 ÷ 6 – 5 + 13 =
8. 28 ÷ 7 – 7 × 2 =
9. 4 × 6 ÷ 8 + 4 =
10. 28 ÷ 7 + 8 × 2 – 7 =
It took me less than two minutes to get answers
for all questions. (I wrote the final answers on a piece of paper – without any
working out. I took another minute to check for the answers and found that I
made two mistakes. You might work faster than me.
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