[tex](4 \times 2) \div (1 + 1) = 8 \div 2 = 4[/tex]
[tex](10 \times 2) \div (1 \times 2) = 20 \div 2 = 10[/tex]
[tex](2 \times 7) \div (2 + 0) = 14 \div 2 = 7[/tex]
[tex](6 \div 2) \times (4 \div 2) = 3 \times 2 = 6[/tex]
[tex](20 \div 2) \div (2 \times 1) = 10 \div 2 = 5[/tex]