> 数学 >
11×22+0.22×3300+330×4.4简算
人气：285 ℃　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
推荐
猜你喜欢
© 2026 79432.Com All Rights Reserved.
电脑版|手机版