用竖式计算.(标△要验算) 17.8+3.29 8-5.86 &...

用竖式计算.(标△要验算) 17.8+3.29 8-5.86 8.93÷1.9△
2025-04-27 07:51:48
推荐回答(1个)
回答1:

17.8+3.29=21.09

8-5.86=2.14

8.93÷1.9=4.7

验算: