AddOrSubtract 是一個簡單的數學導師，教你的孩子如何做簡單的加法或減法離子數學。做盡可能多的奇數甚至測驗問題，你想。指定頂部和底部數位範圍以增加或減少難度。AddOrSubtract 會保留已詢問的問題數、正確答案的數量和百分比的運行分數。AddOrSubtract 還保留一個歷史清單，列出所有當前提出的問題、孩子的答案和正確答案，以便您最後能看到孩子難以回答的問題。
版本歷史記錄
- 版本 1.1.1.1 發佈於 2006-09-26
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PLEASE READ THIS SOFTWARE LICENSE AGREEMENT CAREFULLY BEFORE USING THE SOFTWARE. BY CLICKING THE "I ACCEPT THE AGREEMENT" BUTTON DURING INSTALLATION OF THE SOFTWARE, YOU ARE CONSENTING TO BE BOUND BY THIS AGREEMENT. ADDORSUBTRACT END USER SOFTWARE LICENSE AGREEMENT IMPORTANT: YOU SHOULD CAREFULLY READ THIS LEGAL AGREEMENT BEFORE INSTALLING THIS PACKAGE. BY INSTALLING ADDORSUBTRACT YOU ACCEPT ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT AND AGREE THAT YOU WILL BE LEGALLY BOUND BY THEM. IF THESE TERMS AND CONDITIONS ARE NOT ACCEPTABLE TO YOU, DO NOT CONTINUE TO INSTALL THIS SOFTWARE. ADDORSUBTRACT LICENSE TERMS Skynergy grants you ("Customer") a license to use ADDORSUBTRACT subject to the separate, applicable provisions below. For purposes of the provisions contained below, the term "Customer" shall also apply to Non-Profit Customers as defined below, unless expressly stated otherwise. I. 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