1. Release tens1. Release tensRelease one digit; only borrow stays active.answer strip8 - 2 = 6; drop 6.8 - 2 = 6; drop 6.
2. Release ones2. Release onesRelease one digit; only borrow stays active.answer strip3 - 1 = 2; drop 2.3 - 1 = 2; drop 2.