Explicație pas cu pas:
[tex]12 \times 6 \div 3 \times 6 \div 4 \times 4 = 12 \times 6 {}^{2} \div 3 \div 4 \times 4 =12 \times 36 \div 3 \div 4 \times 4 = 432 \div 3 \div 4 \times 4 = 144 \div 4 \times 4 = 36 \times 4 = 144[/tex]
