The answer for this question is 103
Answer:
tôi không hiểu bạn nói gì
Step-by-step explanat ion :
Answer: (D) 
Explanation:

Just a note on writing down these expressions: I recommend using parentheses whenever you can to avoid misinterpretation. An expression 1/x-1/y / 1/x+1/y could be interpreted by someone as 1/x-(1/y / 1/x)+1/y, which is a different thing.
Answer:
the first floor i think
Step-by-step explanation:
minus 18-16= on a Calculator and there's your answer.
Answer:
sorry this is for points
Step-by-step explanation: