Aas i belive . If not consult the other answer
D iaitu (beza sepunya)=T2(sebutan kedua)-T1(sebutan pertama)
Answer:
using Pythagoras theorem
Step-by-step explanation:
it's option c
I mean, I don't know how to explain a generic way to solve this. Ask me about the specific train of thought if you are interested:
7 * 18 + 45 / 3 - 2 = 139