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口算6X6+6=70+550=80X5=40X5=15X5+5=600-50=56X2=200—3615+5X3380+50=二二789+0=3004-5=15X4+8=680X0=40X25436-24=二800X6500X4=5404-9=14X5=二39+83X5589+56X6188+38X49列竖式或脱式计算125+82X37152+58X33117+58X7728X32=54X25=3124-7=5704-8=
2.7+
2.3=
10.8-
2.8=
7.2-
3.2=
4.8+
7.7=□算5-
1.86304-9=3504-7=700X2二二18X4=320X3=60X15=72+6+2=400X38+2X20=22+40=7X87二一二564-8=380-190=400X650-23=二302+38X6736+27X3882+36X27198-98x2列竖式或脱式计算43X22=175+5=460+8=8X6+7=522+23=6X4+2=120X4=80X5=40X5=15X5+5=600-50=56X2=200-36=15+5X3=380+50=789+0=3004-5=15X4+8=680X0=40X25=6X6+6=436-24=111X9=口算列竖式或脱式计算60-12x364+8+456640+60x4600x8+3462+3=780+4=729+9=35X0=40X6=300X67+3X4=二□算90—268604-4=19X540X20二二二520-430=120X3=360+80=300X7=310X3=200X5=320X2=660・6=700X2=80X3=6304-9=3504-7=列竖式或脱式计算25+38X1559-187+31500-125x825x8x9502X6=9X303=325X8=口算60X15=72+6+2400X3=8+2X20=二22+40=400X202104-7=45004-9=二5X80=7X8-7=564-8=380-190=400X6=50-23=35X0=40X6=300X6=7+3X4=90-26=5-
1.7=列竖式或脱式计算451+549+334+306x26x25+75x637x100-379054-5=450X78=899+6=□算581+12=400X5=45・3=51+31=13X3=604-4=120-50=300-64=64X10=6+6X7=400X5=50-31=425X0=528-0=450+80=57+140=800X23000-400=4204-7=6X80+20=二列竖式或脱式计算3204-8+642704-3x9630v9+32040004-8+
3505.5-
4.7=
6.6+
2.6=
6.4-
2.8=口算581+12=400X5=454-3=51+31=13X3=604-4=120-50=300-64=64X10=6+6X7=400X5=50-31=425X0=450+80=57+140=800X2=4204-7=60X9=55+41=3000-400=列竖式或脱式计算22x4+22121x3+41040+2+174147+72+831X81=97X22=57X21=口算7x10=93-31=23+19=1100-100=23+19=82-26=150-90=50-39=18+71=800+600=9300-300=394-3=964-3=8000-3000=394-3=504-5=224-2=44+29=63-52=34+19=列竖式或脱式计算12+57X34863+26X26353+55X63105+53X63555+28X72373+68X193624-6=525+3=28X250=52X49=90-268X6+7=522+23=6X4+2=二□算120X4-350-80=570+50=23X3二1804-3=200X8=530-70=850X2=263-80=8504-2=98+26X0=102X2=700X3=310X3=3004-5=80X5=列竖式或脱式计算196+55X31198+12X89137+22X88132+12X37250+23X38440+13X3651X16=78X22=416+4=823+8=□算6304-9=350・7700X2=18X4=二320X3=60X15=724-64-2=400X3=8+2X20=22+40=7X8-7=564-8=380-190=400X6=50-23=35X0=40X6=300X67+3X490-26=二二列竖式或脱式计算921+7x466x5+774814-9+877807+204-27704-7+6580x6x287X19=3624-6=839+9=602+7=□算400X5=50-31=425X0528-0=二450+80=57+140=800X2=3000-400=420+7=6X80+20=420-330=5X28二60X5=17X3=212+88=6304-9=3504-7=700X2=18X4=320X3=列竖式或脱式计算63X433674-4=7954-5=二83+57X61317+46X3664+24X3555+39X6342X5319X64=470+9=二口算5000—500=8600—600=1300—500=6000+4000=59+42=87—38=43X7二600X4=309X5=490X5=75+21二245X9=49+37=81—25=404-8=69—57=15X5+5=600-50=56X2=40X5=列竖式或脱式计算31X274-912+15X5375X32+
224.82-
2.65=
31.3+
28.7=26X96=152-874-1259X27=4204-8=7934-8=84+4=21X3=82—26=64+26=口算19+66=80-22=7X10=300+700=85+28=76-17=22+29=800+600=424-2=40-11=90-43=900+4000+80=31X2=93-31=9900-900=110-60=列竖式或脱式计算6404-7=19X644704-9=二52X4934X5448X34=二二328+172X6516-123+77347X4-1924X38-12□算0・245=0X245=0+245=63-25=31-15=34+19=18+71=50+5=3100-1000=1600-700=5400-400=78-69=18+71=2000+60=58+36=9300-300=80-22=44+29=76-17=34+19=列竖式或脱式计算6x25+75x637x100-37451+549+334+306x218X79=101X91=91X75=35X92412+4=102+6=二□算82-62=2000+800=74-29+48=245+5=6054-5=50X50=3064-3=3000-300=22・2=44+29=63-52=34+19=800+600=702-199=62X15=4804-3=120X80=27X8=39+3=96+3=列竖式或脱式计算824+4x3601-246+5201+232-365601-246+5865+5=9844-8=437+3=27X16=39X66=17X51=。