6/10 - 8/10, 4/8 - 1/8, 2/10 + 4/10, 3/9 + 3/9, You walked 3/10 km going to school but you walked 4/10 km going back to your house what is the difference of the distance?.

Math

由
列印
嵌入

排行榜

視覺風格

選項

切換範本

)
恢復自動保存: ?