Math, asked by rajgogoisharma, 2 months ago

a=21, b=18 please answer

Answers

Answered by aryan6778

1

Answer:

What to answer.???

Step-by-step explanation:

????????

Answered by shreypandey77

1

Answer:

39

Step-by-step explanation:

a(-b) = a+b

= 21- (-18) = 21+18

= 21+18

= 39

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