342+379=?345+178=????????547+356-28965^9=123+()=201()X7=5636F()=4()-35=289二、竖式258+392=验算:243+757=256+78=800-204=536-449=??521-184-218=二、脱式77-46+3265-38+2679+19-5669-(39-23)(2+7)X8?一、口算()^8=7()-6=45()^3=9……2()+4=2130^()=6二、竖式1000-362=725-647=???验算:807-369=?三、脱式77-76+3261-38+2679+19-1648-36+2730+(33-29)?一、口算70F9=64F()=838+()=54()^5=4……221^7=二、竖式536+89=?????168+240=??????????370+453=??????????90+910=74+926=??169+352=验算:三、脱式3X9+393+23+944X6+720F4+56X8+5一、口算()F8=7()+35=5091-()=71()F9=1……857^8=二、竖式357-184=?220-126=??验算:452-369+76=三、脱式(58-34)^884-27+164+27-1699+(25-24)6X(2+6)一、口算21+15=()F5=8……459+18=()+24=96()-29=40二、竖式403-184=?600-176=???800-592=?604+396232+478-218276+89=?94+380725-278+156121+78250+163926-693-300-492+129=?验算:三、脱式4X5+3993+23+944X6+720F4+56X8+5一、口算44-()=39()F6=7=2…•••1()+32=54()-8=61()F7=9二、竖式1000-235=?1000-761=?验算:189+198=??三、脱式(75-18)X777-76+3261-38+269X6+410+5X4一、口算8X()=56()+56=6172F()=9()F7=4……630-()=13二、竖式56+433=????验算:三、脱式?429+926181-59-36+2994-29+9630-(43-29)93-23+9471-(25-24)一、口算21-7=7X()=358F()=4()F4=880—()=63()F9=8……5二、竖式428+172=546+315=328+456500-199=201-109=验算:752+39-498=三、脱式99+99-966X2+77X(45F5)19+9X616F2X7一、口算()X6=30()^7=4()-6=69()^7=5……4()X8=48二、竖式452+175=293-198=300-299=验算:三、脱式(19+2)F327+48F632F4+1629—4X242F6X7一、口算21F()=7()^4=9()^8=9……1100-()=259X6=二、竖式198+409=??????507-453=65+485522-89168+240490-352+189480+426432+111672-652210-185500-432+286930+166259+641-236三、脱式80-(43+29)3+23+9493-(39-23)99-(99-29)99-36+29一、口算()F5=9……346+()=56120-()=10581^()=9()—20=110二、竖式89+211=?验算:三、脱式82-22+8422-(28-22)88-(25-24)88-86+2268-28+26一、口算9+()=969F()=3()F9=2()^9=2……5()—28=80二、竖式555+347=???814-379=603-287=622-55=验算:三、脱式6+8X4(6+2)X7(40—28)F6(42-38)X277-76+32一、口算()F9=6()F5=8……340^()=5()X4=200—13=48二、竖式710-347=221+289=198-189=655+324=516-409=772-197+332=验算:三、脱式5X3+99X8+308X7+306X8+661-38+26一、口算15F()=39X3=0—15=27()^9=6()^8=6……2二、竖式计算210-78=???627-276=401-298=验算:65+243=?????????646+76=263-178+283-=二、脱式(66—50)F236F(2+4)38-36+2784-27+1679+19-16一、口算72—()=32()^7=6……5()+85=9961+()=82170-二、竖式257+586=362+299=验算:475-189=502-496=三、脱式4+27-1693+23+9469-(39-26)85+(100-36)74-35+27一、口算5X()=45()^2=9()+12=8960+()=360()^8=4二、竖式263+578=603+287=506-283=804-372=验算:)=150646-178=451+89+355=…4646+76=94+707=三、脱式(66—50)^236^(2+4)38-36+2784-27+1679+19-16一、口算83-()=1530^()=60—17=40()+27=53()^8=4二、竖式406-287=503-207=……3586-208=338+162100-72+462338+172-247562+86=460-125+10921+199-187=686+936=302+355=123+287=验算:三、脱式80-(19+42)(21+15)F964+8X281F9X6(39-30)X6一、口算()^9=9()F9=664-()=39()^5=6……415^()=5二、竖式1000-605=520-227=验算:486-279=三、脱式124+11+264875-147-2238X5+214(534-327)+62145^(247-238)一、口算16F()=2()F9=4……8400+()=45038+26=93-()=85二、竖式702-278=600-398=321-296=三、脱式80-19+42(21+15)F964+8X281F9X6(39-30)X6一、口算49F()=7()F9=556—()=2635^0=7()^7=5……6940-456659-567二、竖式911-75=验算:三.脱式9X8+740F8+56X8+5(25—19)X7299+(100-99)338+162+247=160+248=515+449=