0.89*4.8+0.89*5.1+0.089怎么简算要简算_数学解答

0.89*4.8+0.89*5.1+0.089怎么简算
要简算

人气：191 ℃　时间：2020-05-28 05:00:47

解答

0.89*4.8+0.89*5.1+0.089
=0.89*4.8+0.89*5.1+0.89*0.1
=0.89*(4.8+5.1+0.1)
=0.89*10
=8.9