Question

all are right or wrong wrong please tell me correct one​

Answer 1

Answer:

that's your answer

First those people listen who say that's right

they remember that on subtract to verify their answer : the last term and answer addition will be same as first term

and on addition to verify their answer: answer subtract to the last term it's answer will be same as first

if the answer will be same then it's correct otherwise it's wrong

hopeit helps you

now you can solve the problem by yourself by this method

if someone think that's wrong they can try this by own

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if there is a doubt you can ask your teacher ☺☺