代だい数すう和わだいすうわMeanings1nounalgebraic summathematicsMathematical term for the sum of terms, each with a positive or negative sign, as in algebra.代だい数すう和わを計けい算さんするときは、符ふ号ごうに注ちゅう意いしてください。When calculating an algebraic sum, please pay attention to the signs.
