I understand you're looking for a solution manual ("solucionario") for the "Matemáticas 1 ESO" textbook from SM under the "Revuela" project.
If you share which particular topics or exercises you need help with (fractions, equations, geometry, etc.), I'll gladly explain how to solve them. solucionario+matematicas+1+eso+sm+de+revuela+link
Tras un análisis de fuentes seguras y verificadas, el link más estable y libre de virus para consultar o descargar el Solucionario Matemáticas 1 ESO SM Revuela es a través de la comunidad de docentes "Recursos ESO". I understand you're looking for a solution manual
It showed how to find the common denominator, how to force two different things to speak the same language. The Geometry: solucionario+matematicas+1+eso+sm+de+revuela+link