Răspuns :
[tex](99 \div 3) - 11 \times 3 = 33 - 33 = 0[/tex]
[tex]2(6 \times 8 \div 4) - (40 \div 10) = 2(48 \div 4) - 4 = 2 \times 12 - 4 = 24 - 4 = 20[/tex]
[tex]3(48 \div 4) - (4 \times 12 \div 4) = 3 \times 12 - (48 \div 4) = 36 - 12 = 24[/tex]
[tex](99 \div 3) - 11 \times 3 = 33 - 33 = 0[/tex]
[tex]2(6 \times 8 \div 4) - (40 \div 10) = 2(48 \div 4) - 4 = 2 \times 12 - 4 = 24 - 4 = 20[/tex]
[tex]3(48 \div 4) - (4 \times 12 \div 4) = 3 \times 12 - (48 \div 4) = 36 - 12 = 24[/tex]