Question

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Answer 1

1.- $\frac{(-42+14)}{(-3-4)} - \frac{(-20+32)}{(-6+2)} +\frac{(-52-18)}{(-6-4)} = 14$

2.- ${(-4 * -2+20-[-11-6*4]+10)} = 73$

3.- $[(-11-5*4-42+68)-(-5))= 0$

4.- $(-32):(-4)+(-20):(5)-(-8)*(-2)=12$

5.-$(-4)^{2} -4^{2} +(-2^{3})-2^{3} +15^{1} =-1$