It is the process of finding how many are left when some are taken away, 22 - 5 = ?, 35 - 11 = ?, It is the number from which another number is taking away, 9 - 9 = ?, 25 - 9 = ?, It is the number taken away or subtracted, 18 - 9 = ?, It is the answer in subtraction, 27 - 9 = ?.

Subtraction

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