Question

Calculaţi:
1. 9-5-(7-13)-{5-[6+(3-9)-3]+12}=
2. 4-3-{5+[6-7-(3-5+9)+(3-7)]}=
3. 13-{14-15+[(16-17)+2-5]-(-5+7)}=
4. -9+{5-9-[13-(4-8)+(7+3-12)]-(-9)}
Rpedeee

Answer 1

Explicație pas cu pas:

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