11×22+0.22×3300+330×4.4简算

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/09 17:15:10
11×22+0.22×3300+330×4.4简算

11×22+0.22×3300+330×4.4简算
11×22+0.22×3300+330×4.4简算

11×22+0.22×3300+330×4.4简算
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