is 34.38 KB, has a resolution of 512x512 pixels and was uploaded on April 19, 2019 @ 5:55 am by user: benschlz. It is filed under the tags: addition, countdown math game, abacus, worksheet, counting. Click the blue button at the top to freely download: Gold Abacus Conrad Lahann & Partner Steuerberatungsgesellschaft MBB Calculator Mathematics Calculation png.