36.5乘0.98减5.7用简便方法怎么计算_数学解答

36.5乘0.98减5.7用简便方法怎么计算

人气：402 ℃　时间：2020-03-24 01:08:28

解答

36.5*0.98-5.7
=36.5*(1-0.02)-5.7
=36.5-36.5*0.02-5.7
=36.5-0.73-5.7
=36.5-6.43
=30.07