t27 basics 9: operators on two numbers

Every arithmetic and comparison operator of a t27 test, applied to 17 and 5 by the lesson spec. Lesson 9 of the t27 basics course.

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Where the numbers come from

The lesson spec public/t27/files/specs/basics/09_expressions.t27, compiled clean on 7 backends by public/t27/t27_compiler.wasm, whose tests pass in the site test runner
Compiler verdicts, error lines, code and counts quoted on this page are what the same wasm answered in node 22 when the course was authored; words without a run behind them are said to be read, not run