Explicación paso a paso:
[tex] (9 - 2 + 9) \div 2 = \\ (7 + 9) \div 2 = \\ 16 \div 2 = 8[/tex]
[tex]8 \times 2 - 1 \times 9 = \\ 16 - 9 = 7[/tex]
[tex](9 - 5) \times 5 = \\ 4 \times 5 = 20[/tex]
espero te ayude
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Verified answer
Explicación paso a paso:
[tex] (9 - 2 + 9) \div 2 = \\ (7 + 9) \div 2 = \\ 16 \div 2 = 8[/tex]
[tex]8 \times 2 - 1 \times 9 = \\ 16 - 9 = 7[/tex]
[tex](9 - 5) \times 5 = \\ 4 \times 5 = 20[/tex]
espero te ayude