妈妈米线加盟能挣钱吗:数学填空

来源:百度文库 编辑:查人人中国名人网 时间:2024/03/28 23:46:17
4.27*6.5+( )*427=42.7

原式= 42.7*0.65+( )*10*42.7=42.7
0.65+( )*10=1
( )*10=0.35
( )=0.035
0.035

0.035

42.7×0.65+( )×427=42.7
( )=(42.7-42.7×0.65)÷427
=(42.7-27.755)÷427
=14.945÷427
=0.035

0.035