竖式计算（带★的要验算）★800-357=★345+68=801-463+89=112×4=326×2=563+39-187
竖式计算（带★的要验算）★800-357=★345+68=801-463+89=112×4=326×2=563+39-187=
★800-357=443
★345+68=413
801-463+89
=338+89
=427
112×4=448
326×2=652
563+39-187
=602-187
=415
★345+68=413
801-463+89
=338+89
=427
112×4=448
326×2=652
563+39-187
=602-187
=415
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