算数数学ドリル学習 ひくんぱ

◯About this app You can practice "subtraction" repeatedly. You can improve your calculation skills through repeated practice. ◯About advertising You can switch advertisements to [Display] or [Hide] in "Settings". (Default is hidden) ◯Specifications ・The time is 1 minute. - After the time is up, the results will be displayed along with the previous high score. - Ads are hidden by default, but if you wish to display them, you can switch from "Settings". ◯About the future ・This is my first time developing an Android app. ・I'm thinking of adding more functions while learning the mechanism little by little. ・I'm thinking of adding a change to the points added depending on whether or not you answer questions correctly in a row. ・I am thinking about adjusting the balance of colors.