1、523X79 =156X92=65100+ 210=9100+700=562X45 =325X71 =8064+ 84=6552+84=145X75 =245X36=1794+ 78=4256+38=356X62 =356X50=652+ 46=555+46=986X25=365X78=736+ 23=936+12=89X789=856X36=四年级上册数学竖式计算练习（3）784+ 56=1449+ 23=12X754=365X25=653+ 78=369+89=786X35=965X45=563+78=383+25=567X23=125X56=658+ 56=764+56=734X65=6
2、58X25=567+ 25=15000+ 250=89X727=369X64=四年级上册数学竖式计算练习（4）1800+ 360=453+92=965X 54=305X46=956+ 66=739+46=957X36=65X917=429+ 36=584+32=625X64=458X75=259+ 45=325+25=785X24=255X74=124+ 25=523+12=452X52=253X56=689+ 23=193+45=369X78=235X62=642+65=963+25=785X35=652X36=7500+ 150=965+33=445X52=357X66=78X 31212
3、80+16208X46184+46628+ 85=953+66=369X25=963X12=289+ 32=135X85=328 + 68=408X36=852+ 47=80X312=546 + 94=345+23X 13587X 210=197+28=138X69=781 + 48=82X403=375+48=549 + 72=457- 418 +3234X 46=741 + 32=613X48=452+43=135+ 89=91X127=567 + 91 =36X406=197+ 27=243X28=567 + 43=54X243=657-321 +3657+249+ 3328 + 38=
4、345+231X 15310X 25=1726+19203X32=900+8054 X 312=432+26126X89=345+231X9307X 46=465+59457- （239-198）587+26568X 39=236+38225+234-319640+3232X312=468+18226X58=648+12223X 25=414+2367X119=782+6322 X154=288+24188X37=565+47408X 36=250+80320+50135X 85=144+21156+33720X 42=375+39208X30=362+42145X 12=140+19126X56=287+42208X 56=608+68243 X 53=256+34234-165+289484+60380+60119+45X 78760+8087X210=650+8067X 217=197+80=154X 37=144+16=418X 35=420+60=91X312=342+57=126X 89=158+25=66X509=212+24=
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