Science Quiz / Mental Math: Hidden Sequences

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Can you name the mental math questions, and identify the sequences?

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Score 0/30 Timer 03:00
Group 1
-3 + 5 
8 – 4 
3² – 1 
5 × 3 + 1 
512 ÷ 16 
Sequence 
Group 2
½ + ½ 
½ ÷ ½ 
0.5² × 8 
6 – 12 ÷ 4 
18² – 319 
Sequence 
Group 3
| -3 | – | 1 – 2 | 
81 ÷ 27 
min(6³, 9 – 4) 
max(7 ÷ 3.5, 0.2 × 35) 
⁴√14641 
Sequence 
Group 4
9⁰ 
2 × (3 + 1 ÷ 2) + 7 ÷ 7 
4! + 4 – 4 ÷ 4 
(1 + 2 + 3 + 4)² – (2 × 3)² 
9 × 9 × 9 – 604 
Sequence 
Group 5
2² + 2 
14 × 96 ÷ 24 ÷ 2 
-4 + 2² × 5³ 
2⁷⁻¹ × (2⁷ – 1) 
34,567,890 – 1,017,554 
Sequence 

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