“(a+b)2 – (a-b)2= 4ab Model” has been added to your cart. Continue shopping Product Price Quantity Subtotal Tangram Puzzle ₹160.00 Tangram Puzzle quantity ₹160.00 (a+b)2 - (a-b)2= 4ab Model ₹300.00 (a+b)2 - (a-b)2= 4ab Model quantity ₹300.00 Coupon: Cart Totals Subtotal ₹460.00 2.5% CGST ₹4.00 2.5% SGST ₹4.00 9% CGST ₹27.00 9% SGST ₹27.00 Total ₹522.00 Continue Shopping Checkout