Respuesta:.
[tex]10(5 - 10) - (14 - 15) \\ \\ 10( - 5) - ( - 1) \\ \\ - 50 + 1 \\ \\ = - 49[/tex]
______________________
[tex] - 10(28 + 30 - 15) - (18 + 13 - 10) \\ \\ - 10(58 - 15) - (31 - 10) \\ \\ - 10(43) - (21) \\ \\ - 430 - 21 \\ \\ = - 451[/tex]
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Respuesta:.
[tex]10(5 - 10) - (14 - 15) \\ \\ 10( - 5) - ( - 1) \\ \\ - 50 + 1 \\ \\ = - 49[/tex]
______________________
[tex] - 10(28 + 30 - 15) - (18 + 13 - 10) \\ \\ - 10(58 - 15) - (31 - 10) \\ \\ - 10(43) - (21) \\ \\ - 430 - 21 \\ \\ = - 451[/tex]