Question

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Answer 1

$1 - 2 \times {3}^{2} + {2}^{3} \times 4 - \sqrt{16}$

3^2=9

2^3=8 16=4porque 4×4=16

1-2×9+8×4-16

2×9=18

8×4=32

1-18+32-16

16+18=34

1+32=33

33-34=-1