Wormhole Calc vs Area Puzzle by TKPY

The rules are simple. Fill in the blanks with numbers from 0 to 9 so that multiplication and division can be completed. * However, 0 is not entered in the leftmost cell. Questions are generated each time by the app program. The positions of the holes are determined at random. The last 50 questions created are automatically saved, and you can select and play them again later. Equipped with a memo function, undo and redo, and a lock function for entered numbers, making it easier to organize ideas. Please try once.

How large is the blue area? One rule runs through every puzzle: look at the diagram and find the area shaded blue. Split a shape, move a part or fill a gap. A different perspective can reveal a path to the answer. 400 puzzles at your own pace Choose from Easy, Normal and Hard. Start with any available puzzle, whether you have a short break or time to think it through. See each idea step by step Three hints and illustrated explanations help you explore the solution. Move forward and back yourself to revisit the parts you want to understand. Sketch, star and revisit Try your ideas with a pen, eraser, undo and clear. Star the puzzles you want to return to and find them again in Favorites. Turn solutions into geometric art Your first correct answer to each puzzle earns one piece. Ten pieces complete one artwork, with 40 artworks to collect. Each artwork's name stays a surprise until it is complete. Available in Japanese, English, Simplified and Traditional Chinese, Korean, Spanish, Brazilian Portuguese, French and German. Progress, notes and favorites are saved on your device. About ads The app includes banner ads and ads at natural breaks, such as leaving a puzzle. Earn the reward from one video ad to unlock all hints, the answer and explanations for that puzzle. You do not need to watch again for the same puzzle.