Whether this explanation is reasonable is open to debate, but from the way the grammar school math curriculum is set out, "heavy on the reasoning, light on the calculation" is already the inevitable trend in math education.
這樣的推論是否合理尚不得而知，若從小學數學課程的編排來看，「重思考，輕計算」已是數學教育的必然趨勢。