Tsitsani Tsambali laulere la Subtraction Worksheet 13 la Sitandade 2 nthawi yomweyo kuti ana awonjezere luso lawo. Tsambali lochotsa ndi tsamba loyeserera kuti muphunzire masamu m'njira yosangalatsa kwambiri. Dinani pa batani lotsitsa kuti mupeze tsamba labwino kwambiri lochotsa.