2. In a certain code language, 'x' represents '+', '÷' represents 'x', '-' represents '÷' and '+' represents '-'. Find out the answer to the following question. 15 x 4 ÷ 35 - 70 + 16 = ?
4. In a certain coded language, 'hit ka tom' is written as 'tie the shoes', 'ka lo fod' is written as 'shoes of leather' and 'lo tin lot' is written as 'leather and raxin'. How is 'of' written in this code language?
9. In a certain code language, ?book is tough? is written as ?fu la mi?, ?tough can easy? is written as ?fu muk po? and ?easy not book? is written as ?ti po la?. What is the code for ?tough? in that code language?