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The introductory arithmetic I've seen recently even kind of flips it around and defines subtraction in terms of algebra. "7 - 5 = ?" is presented as "5 plus wha
by taneq 5y ago
The introductory arithmetic I've seen recently even kind of flips it around and defines subtraction in terms of algebra. "7 - 5 = ?" is presented as "5 plus what equals 7?"
- whatshisface 5y agoThat's how subtraction is actually defined, so that's not a bad idea.