Question

- 3+{12-(-5+9)*2-[+5-(-2+13)]*0-(-5+3)}=

Answer 1

Explicação passo-a-passo:

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- 3+{12-(-5+9)*2-[+5-(-2+13)]*0-(-5+3)}=

- 3+{12-(+4)*2-[+5-(+11)]*0-(-2)}=

- 3+{12-4*2-[+5-11]*0+2}=

- 3+{12-8-[-6]*0+2}=

- 3+{12-8+6*0+2}=

- 3+{12-8+0+2}=

- 3+{+6}=

-3+6=

3