Byeoldosa vs Four Operations Math

Byeoldosa is an arithmetic practice app for working through addition, subtraction, multiplication, and division step by step. • Levels are organised by difficulty, so you can start from the basics and move on to more advanced problems at your own pace. • Problems range from single-digit to three-digit numbers, with stages that change depending on whether carrying or borrowing is involved. • In vertical (column) calculation mode, you can follow each column one box at a time, much like writing out the sum on paper. • Every practice set is saved automatically, and your scores and time spent are shown in simple charts, so you can see how your speed and accuracy change as you keep practising. It’s a good fit for students who want to strengthen their arithmetic, for anyone who’d like a bit of mental exercise, or for those moments when you just feel like doing a few number problems. Whenever you feel like practising numbers, just open Byeoldosa.

This is a challenging puzzle game in which the player creates a mathematical equation that achieves a target value using four given numbers and four arithmetic operations. Players must use their logical thinking and creativity to reach a different target value each time. ■ Rules * Use all numbers: All four numbers provided must be used one at a time. * Four arithmetic operations and parentheses: Add, subtract, multiply, divide, and use parentheses as many times as you like. * Target value achievement: Try to make the formula match the target value, which changes each time. ■ Operation * Tap a panel: Tap the bottom panel to add it to the end of the formula. * Drag a panel: Drag a panel to add it anywhere in the formula. * Drag & Drop: Added panels can be dragged and dropped to any desired location. * Delete panel: Added panels can be deleted by double tapping on them. ■ Game Modes * Basic Mode: The target value and the four numbers to be used are determined at random. * Custom Mode: You decide the target value and the four numbers to be used. ■ Features * Intuitive operation: Simple and easy-to-use controls allow anyone to enjoy the game immediately. * Different challenges each time: The target value changes each time, so there is always a fresh challenge awaiting you. * Promotes logical thinking: Solving puzzles develops your logical thinking and problem-solving skills. Test your computational and logical thinking skills and hone your skills while having fun. Let's give it a try!