欧阳引擎创编2021.01.01三位数乘两位数笔算 1欧阳引擎（2021.01.01）123 x32=345 x21=524 x42 =145 x24=754 x45=142 x35=485 x45=324 x 65=561 x47=485 x19=687 x 24=752 x 84=708 x 55=146 x58= 406 x 34=三位数乘两位数笔算 2 456 x82=212 x 32=542 x 42=440 x88=890x44=405 x21=117 x50=416 x30=270 x 90=807 x30=67 x400=480 x30=486 x42 = 456 x48=785 x41=三位数乘两位数笔算 3 452 x24= 795 x46=905 x20=6600 x 120 = 319 x 60= 456 x 21=360×90=660×60=480×90=600×60=920×80=120×50=欧阳引擎创编2021.01.01920×40= 710×50=三位数乘两位数笔算 4220×40=70×920 = 120×90= 760×40=810×30= 940×50= 830×20=283×26= 920×30= 904×11 =33×166 = 84×509= 26×147=254×25=319×36=14×260=266×77 = 21×144= 181×18=三位数乘两位数笔算 5402×19=80×378=957×21=508×35=589×86=40×260=582×40=18×758=763×43=568×43=429×87=56×634=706×45=109×34=876×27=三位数乘两位数笔算 6 45×234= 138×16= 407×35=930×22= 408×69= 701×91=88×706= 19×708= 703×59=142×45= 409×26= 908×21=34×209= 294×60= 350×45=三位数乘两位数笔算 7740×28=324×46=768×36=908×40=304×29= 264×58=890×50=90×711= 66×367=788×46=123×52 = 145×38=524×46= 452×35= 145×24=754×27= 142×45 = 687×14=三位数乘两位数笔算 8785×27= 124×34= 561×43=485×75= 763×43= 582×40508×35 = 589×86 = 44×567=40×260= 402×19= 578×90=38×675= 704×78= 765×90=三位数乘两位数笔算 9563×70=756×90= 806×50=603×89= 168×77= 80×378456×26957×21= 210×60=308×70 = 75×400= 89×100=140×40= 150×60= 125×40=三位数乘两位数笔算 10 135×45= 108×25 = 54×312 =47×210 = 138×54 = 126×89 =64×300=500×40=26×603=203×32 = 312×25 = 437×28 =324×46 = 768×36= 908×40=。