11×22+0.22×3300+330×4.4简算_数学解答

11×22+0.22×3300+330×4.4简算

人气：459 ℃　时间：2020-04-12 12:43:24

解答

11×22+0.22×3300+330×4.4
=11×22+22×33+33×44
=22×（11+33）+33×44
=22×44+33×44
=（22+33）×44
=55×44
=2420