Answer:

Step-by-step explanation:

Smallest 3-digit number = 100

347+65 = 412

x+412 = 100

x = 100-412

x= -312

-312 is the number which needs to be added to 412 to get 100.

Verified answer

Answer:

here's the answer.

Explanation:

Sun of 347 and 65 = 347 + 65 = 412

As we know the smallest 3 digit number is 100

Let x be the number which gives 100 by adding to sum of 347 and 65.

= 347 + 65 + x = 100

= 412 +x = 100

= x = -412 + 100

= -312

The value of x = -312

Therefore, by adding -312 to sum of 347 and 65 we will get the smallest 3 digit number is 100.