312一7二570一8二39+83X5589+56X6188+38X49======125+82X37152+58X33117+58X77======28X32=54X25=日期:用时:做对:题奖励:口算80X5=40X5=15X5+5=600-50=56X2=200-36=15+5X3=380+50=789+0=300一5二15X4+8=680X0=25=6X6+6=436-24=70+550=800X6=500X4=540一9二14X5=列竖式或脱式计算40X27X8=日期:用时:做对:题奖励:口算56
3-10=4
5=10-6
5=20+8
7=4000X2=800X3=24X4=2X41=7X40=1204-4=5648=24046=450一9二270一3二25X4=5X400=210X2=280+70=9X9+1=1
6=40+60=21X10=14X6=16X50=23X20=2X2+3=7248=5446=25045=178一2二30X80=80048=265+85=110X35=90143=04245=0X245=245一5二3000-300=60545=50X50=306一3二702-199=48043=120X80=62X15二28X250=52X49=22+2二44+2963-5234+198000-3000=列竖式或脱式计算12+57X34863+26X26353+55X63日期:用时:做对:奖励:口算7X10=93-31=23+19=1100-100=23+19=82-26=150-90=50-39=18+71=800+600=9300-300=28X250=52X49=105+53X63555+28X72373+68X1928X250=52X49=362+6=525+3=31X