My solution is upperwise ^^^ Initial question was a pic: My simple question is: If we have the ratios of triangles and near c we have 3 parts, how many are 2 parts out of 3 parts? Yes 2/3 parts ^^^ [...] Read more
Why to use squared eqns if we can simply flip this image in mind and use just division which is subtraction of numbers. And can we be more effective by this action?
