Math, asked by lemon017, 1 year ago

I need step by step..... solve this sum... plzzzz fast

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Answered by neetuagrawal90

1

Answer:

(-30)5*(-30)-20

(-30)5+20

(-30)25 itmeans it is indentity (a)m*(a)n=(a)m+n

hope it is correct for your explain

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