Ayuda porfa
(--7-8)[(-4)÷(-4+2-)-(+9)]-[(3+10)-(-18+9)÷(-3)]
(--7-8)[(-4)÷(-4+2-)-(+9)]-[(3+10)-(-18+9)÷(-3)]
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Respuesta:
Ayuda porfa
(--7-8)[(-4)÷(-4+2-)-(+9)]-[(3+10)-(-18+9)÷(-3)]
Explicación paso a paso:
[tex]\left(--7-8\right)\left[\left(-4\right)\div \left(-4+2-\right)-\left(+9\right)\right]-\left[\left(3+10\right)-\left(-18+9\right)\div \left(-3\right)\right]\\=-1\cdot \:\left[\left(-4\right)\div \left(-4+2\right)-\left(9\right)\right]-\left[\left(3+10\right)-\left(-18+9\right)\div \left(-3\right)\right]\\=-1\cdot \left(-7\right)-\left[\left(3+10\right)-\left(-18+9\right)\div \left(-3\right)\right]\\=-1\cdot \left(-7\right)-10\\=7-10\\=-3[/tex]