1. 2x(5+3)-2x4=
2. (-6+4-3-5). (-10)=
3. - 10-4. (-3)+15÷(-3)+(-8)=
2. (-6+4-3-5). (-10)=
3. - 10-4. (-3)+15÷(-3)+(-8)=
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Respuesta:
la primera es 58
la segunda es 0
la tersera es 0.53