用竖式计算.(打☆的要验算)43.6-2.9 58×67&nbs

用竖式计算.(打☆的要验算)43.6-2.9 58×67 84×75843÷6☆517÷5.
2025-05-02 06:28:29
推荐回答(1个)
回答1:

①43.6-2.9=40.7;

 
58×67=3886;

84×75=6300;

843÷6=140.5;

☆517÷5=103.4;