Question

607+812+_____ =812+607+321
​

Answer 1

Answer:

321

Step-by-step explanation:

plz mark as brainliest

Answer 2

Let the missing number be 'x',

$∴607 + 812 + x = 812 + 607 + 321 \\ \\ = > 1419 + x = 1740 \\ \\ = > x = 1740 - 1419 \\ \\ = > \green{\boxed { x = 321}}$

∴ 607 + 812 + 321 = 812 + 607 + 321.