Question

Name the property used in 5431 + ( 420 + 635 ) = ( 5431 + 635 ) + 420

Answer 1

Answer:

$\huge\bold\blue{ANSWER: -</strong><strong>3</strong><strong>7</strong><strong>4</strong><strong>}$

Answer 2

Step-by-step explanation:

5431+(420+635)=(5431+635)+420

5431+(1055)=(6066)+420

6486=6486

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