100 + 70 + 3  
200 + 80 +1 =  
600 + 30 + 9  
400 + 60 +8 =​



100 + 70 + 3 200 + 80 +1 = 600 + 30 + 9 400 + 60 +8 =​
**Step-by-step explanation:**


1. 173


2. 281


3.639


4.468


pls mark as brainliest
----------------------



**Answer:**


1. 173


2. 281


3. 639


4. 468


