Do not look at the solution immediately. Try the question for at least 2 minutes. Write down your attempt in a notebook (not on the tablet).
Having the PDF is not magic. You must use it correctly. Follow this 3-step routine: Antrenmanlarla Matematik 3 cozumlu Pdf
While the first two books focus on the absolute basics (four operations, factoring, fractions), is where the real game begins. This book bridges the gap between primary school math and high school problem-solving. Do not look at the solution immediately