Answer:
A,48
B,6039
Explanation:
A,,((90-(13+15))÷2+17 the - symbol multiply the bracket
first do the bracket
((90-13-15)÷2+17
((62)÷2)+17
(31)+17=======48
B,,first let us do the bracket
(5600-110÷10) divided
(5600-11)
(5589)
(5589)+10×45
(5589)+450 === 6039
