Question

12x444+333x112简便方法？

Answer 1

12X111X4+111X3X(111+1)
=(10+2)X444+333X(100+[10+2])
=4440+888+33300+3330+666
=42624

Answer 2

12×444+333×112＝12×4×111+3×111×112＝111×48+111×336＝111×（48+336）＝111×384＝42624