11×22+0.22×3300+300×4.4
=11×22+22×33+30×0.2×22
=11×22+22×33+6×22
=(11+33+6)×22
=50×22
=50×2×11
=100×11
=110011x22+o.22x33oo+33ox4·4用简便怎么算11×22+0.22×3300+330×4.4
=11×22+22×33+330×0.2×22
=11×22+22×33+66×22
=(11+33+66)×22
=110×22
=(100+10)×22
=100×22+10×22
=2200+220
=2420