Question

0×(36-19)
(24-15):1
18+45:63

Answer 1

$0 \times (36 - 19) = 0 \\ (24 - 15) \div 1 = 9 \\ 18 + 45 \div 63 = \frac{131}{7} = 18 \frac{5}{7}$

Answer 2

36-19=17*0=0
24-15=9 :1 =9
45:63=0+18 =18