MCQ Practice Mathematics 📖 a + a-1 = 3 a4 + a-4 = কত? A 27 B 47 C 49 D 51 Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up Previousa = 2b = 3c এবং abc = 36 হলে, c = কত? Nextঅ + আ = ১৫ ও অ - আ = ৫ হয় তবে অ২ - আ২ = কত?
