Combi Sumas y Restas is a pack, totally in English, that comes equipped with many addition and subtraction exercises for children who are learning to perform these mathematical operations.
The addition and subtraction that make up Combi Addition and Subtraction have different levels of difficulty: from the most basic and easiest to reaching a high level, where you will combine exercises in which you will have to add and subtract large amounts. It is also provided with mental calculation exercises.
To avoid having to do all the exercises in front of the computer, Combi Addition and Subtraction has the interesting option of printing on paper the account sheets you select.
You can free download Combi Sumas y Restas and safe install the latest trial or new full version for Windows 10 (x32, 64 bit, 86) from the official site.
Devices: Desktop PC, Laptop (ASUS, HP, DELL, Acer, Lenovo, MSI), Ultrabook
OS: Professional, Enterprise, Education, Home Edition, versions: 1507, 1511, 1607, 1703, 1709, 1803, 1809