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$1\right)-30+8-\left(-5\right)+1-5-\left(-3\right)+\left(-7\right)=$ 2) $4+\left(-2+1\right)+5-13-\left(1-2\right)+41+1-2=$ $3\right)-19+\left(-4\right)-\left(-8\right)+\left(-13\right)-\left(-12\right)+4-57$ = $4\right)3-1-2+1-\left(4-5-7\right)1-2+1-3-\left(5-6$ 1 ) + 2] = 5) $8+\left(-2\right)-\left(-10\right)-2+5=$ 6) $\left(3-8\right)+\left(-5-2\right)-\left(-9+1\right)-\left(7-5\right)=$ $7\right)-112+\left(-3\right)\right)-\left(-4\right)-5+6=\left(-4\right)=$ 8) $5+12-$ $\left(\left(4+5-3\right)+61-1-\left(3+5\right)=$ 9) - $4\left(4-5+2\right)-3-11-16+\left(-3-1\right)-\left(-2+4\right)1+3$ - 4 } = 10) $10-1-2+\left(-3-4-1\right)+1-\left(-4-2+3-1\right)$ $41=$ $11\left(-6+4\right)-14-13-\left(8+9-2\right)-71$ $-35+\left(4+8$ - 15 ) } = 12) $6=\left(-4-\left(-3-\left(1-6\right)+51-8\right)-9=$ $13\right)-3+1-5-1-6+\left(4-3\right)-\left(1-2\right)1-5\right)=$ 14) $\left(9-15+2\right)+1-6+14-1+\left(12-9\right)+71$ } - 3 = 15) $-13-8\left(4-3+\left(5+2-10\right)$ $\left(4-5\right)-31+4$ - 8 } + 2 =
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Profesor de Qanda - RuthPaulet