craftyindividual@lemm.eeM to artporn@lemm.ee · 8 months agoMental Calculation. In Public School of S. A. Rachinsky - Nikolay Bogdanov-Belsky (1895)upload.wikimedia.orgimagemessage-square4fedilinkarrow-up182arrow-down11
arrow-up181arrow-down1imageMental Calculation. In Public School of S. A. Rachinsky - Nikolay Bogdanov-Belsky (1895)upload.wikimedia.orgcraftyindividual@lemm.eeM to artporn@lemm.ee · 8 months agomessage-square4fedilink
minus-squareDem Bosain@midwest.sociallinkfedilinkEnglisharrow-up3·8 months agoI’m sure there are lots of little coincidences like this. Taking x=10, the top of the fraction simplifies to: 5x2 + 20x +30 The rest of the solution is left as an exercise for the reader.
I’m sure there are lots of little coincidences like this.
Taking x=10, the top of the fraction simplifies to:
5x2 + 20x +30
The rest of the solution is left as an exercise for the reader.