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= -3(-3 * - * 2) + 2(-3)2 - b(-)2 - 3(-3*-) - 32 * -2 + 4(-3 * (-) * 2) =
= -18 + (-18) + 9 - 9 + 24 =
= -36 + 24 = -12
7ac - 4ab + 8bc - 6ac + 12ab - 10bc =
= 7(-3*2) - 4(-3 * -) + 8(-2) - 6(-3*2) + 12(-3 * -) - 10(-*2) =
= -42-12-16-36+36-20 =
= -90
-2a2... = -2(-3)2 * (-)2 * 2=
= 36-48-108+216 =
= 96