Explicación paso a paso:
B :
[tex] - 12 - 3 + 8 \div ( - 12 + 6 + 9) = [/tex]
[tex] - 15 + 18 \div ( - 6 + 9) = [/tex]
[tex]3 \div 3 = 1[/tex]
D:
[tex] ( - 4 + 6 - 7) \times ( - 5 + 4 - 2 + 9) = [/tex]
[tex] - 5 \times ( - 1 - 2 + 9) = [/tex]
[tex] - 5 \times - 3 + 9 = [/tex]
[tex]15 + 9 = [/tex]
[tex] = 24[/tex]
espero te sirva
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Verified answer
Explicación paso a paso:
B :
[tex] - 12 - 3 + 8 \div ( - 12 + 6 + 9) = [/tex]
[tex] - 15 + 18 \div ( - 6 + 9) = [/tex]
[tex]3 \div 3 = 1[/tex]
D:
[tex] ( - 4 + 6 - 7) \times ( - 5 + 4 - 2 + 9) = [/tex]
[tex] - 5 \times ( - 1 - 2 + 9) = [/tex]
[tex] - 5 \times - 3 + 9 = [/tex]
[tex]15 + 9 = [/tex]
[tex] = 24[/tex]
espero te sirva