Question

(156+273)+74=156+(273+74)​

Answer 1

Answer:

503

Step-by-step explanation:

By Associative Prorperty we can say that L.H.S= R.H.S

503=503

Hope this helps

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Answer 2

Answer:

503 =503

Step-by-step explanation:

•429+74=156+347

•503=503

I don't konw what is question thats why I proved it