博客來Dive into a world of logical challenges and fun with 600 Cross Sum puzzles designed specifically for beginners and enthusiasts alike. Whether you’re new to Cross Sum or a seasoned solver, this book is the perfect companion for hours of brain-teasing enjoyment.
The focus of this volume is on addition skills. Don’t worry about any other order of operation. Just complete the addition left to right.
No matter the level of your math skills, this volume promises an atmosphere of mental stimulation and challenge. Try not to peek, but if you must, all solutions are located at the end of this volume.
Finish the cross sums in this book then you will make your math teacher proud.
