3.72乘2.8减3.72减8乘0.372等于多少,脱式计算_数学解答

3.72乘2.8减3.72减8乘0.372等于多少,脱式计算

人气：240 ℃　时间：2020-04-24 13:43:07

解答

3.72x2.8-3.72-8x0.372
=3.72x2.8-3.72-(10-2)x0.372
=3.72x(2.8-1-1)+2x0.372
=3.72x0.8+0.2x3.72
=3.72(0.8+0.2)
=3.72