Răspuns:
[tex] |(x \div 4 + 5) \div 6 + 10| \div 10 =13 - 3 = 10 \\ (x \div 4 + 5) \div 6 + 10 =10 \times 10= 100 \\ (x \div 4 + 5) \div 6 =100 - 10 = 90 \\ x \div 4 + 5 =90 \times 6 = 540 \\ x \div 4 = 540 - 5 = 535 \\ x = 535\times 4 \\ x = 2140[/tex]