Pliss jawab yah tolong

[tex]1.1 \times 18 \div 9 = 2[/tex]
[tex]2.3 \times 28 \div 4 = 21[/tex]
[tex]3.1 \times 75 \div 10 = 7.5[/tex]
[tex]4.5 \times 126 \div 6 = 105[/tex]
[tex]5.2 \times 181 \div 5 = 72.4[/tex]