11×22+0.22×3300+330×4.4简算

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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