用竖式计算,标有“*”的要验算 872÷3=52×37=*388÷7=*80×45=*49×23

用竖式计算,标有“*”的要验算 872÷3=52×37=*388÷7=*80×45=*49×23=
2025-04-29 07:51:37
推荐回答(1个)
回答1:

(1)872÷3=290…2;


(2)52×37=1924;


(3)388÷7=55…3;


(4)80×45=3600;


(5)49×23=1127.