班級：班級：姓名：得分：33-4=51-7=82-3=11-4=12-3=33-4=72-6=53-8=82-3=21-8=78-9=41-5=82-5=54-5=42-6=43-8=34-8=74-9=31-5=51-6=62-6=71-5=14-5=74-7=17-9=33-4=33-6=86-9=42-4=32-9=66-7=57-8=51-8=21-8=45-9=41-2=52-6=34-5=27-9=44-6=23-7=18-9=51-5=83-7=55-6=51-7=15-8=42-7=75-6=33-4=75-9=55-8=21-8=54-8=11-5=25-6=34-6=35-6=22-6=81-8=82-4=75-7=42-3=33-8=23-9=83-7=83-4=66-7=57-8=71-7=71-6=37-8=33-7=14-6=37-8=43-9=14-5=31-3=32-3=68-9=81-7=53-7=45-9=63-4=16-7=87-8=43-7=41-5=35-9=57-8=48-9=73-5=53-7=11-8=13-4=21-6=84-8=43-6=81-2=61-5=

20以內退位減法口算題（一）參考答案29447979296645791369367749363526652645566696782927773823594943133639462918381694676494473569296647134661928291673786839251476795949646529268293492829597446365997936362649396846391576377956

班級：班級：姓名：得分：41-2=23-6=24-9=68-9=72-6=44-7=73-7=16-7=61-7=77-8=53-4=14-7=31-2=44-8=47-8=31-5=72-6=63-5=24-8=33-7=43-7=23-4=82-8=31-6=76-7=46-8=46-7=42-4=72-7=31-2=56-7=31-8=42-6=35-7=75-6=43-6=87-8=34-8=43-4=37-8=51-5=33-4=43-7=12-6=12-9=33-9=72-9=82-4=32-4=75-7=74-8=42-5=14-6=24-5=22-3=26-7=42-3=11-5=14-8=27-9=12-6=32-9=14-8=13-4=83-4=22-3=51-2=18-9=52-6=48-9=66-9=31-9=41-5=31-8=61-7=23-9=26-9=71-2=26-7=82-9=82-7=14-7=71-8=68-9=52-7=82-3=23-6=33-8=23-8=55-6=54-5=55-9=23-6=25-8=47-9=61-4=21-5=54-7=21-2=75-9=

20以內退位減法口算題（二）參考答案39171559663766954694972936392666581626361974256938393865294923362869377926392946293663246378286866378191919396618623697919499463957223623541417691973757635945791725154949461717385716471966

班級：班級：姓名：得分：33-9=26-8=16-8=62-7=42-3=52-3=32-9=21-8=75-6=41-8=13-7=74-8=62-6=66-7=62-4=75-6=15-7=16-7=75-9=27-9=74-8=38-9=75-7=22-5=15-9=11-5=21-5=22-9=28-9=35-6=84-6=17-9=54-5=41-2=73-7=84-8=51-5=16-9=28-9=11-5=82-6=44-9=13-8=34-9=31-8=63-4=24-5=82-9=43-4=81-8=52-6=11-5=12-6=54-5=16-8=53-4=75-9=25-8=34-6=63-6=34-5=32-9=52-9=32-4=84-8=51-5=55-8=63-4=16-9=53-7=61-3=11-7=82-3=51-5=14-5=51-5=22-9=51-4=26-7=22-3=26-7=12-3=34-5=84-7=24-6=85-6=57-9=33-7=31-5=31-8=58-9=32-4=83-7=24-5=21-2=68-9=44-8=61-8=11-5=76-7=

20以內退位減法口算題（三）參考答案24188553949231369336665659586989661866296817661613192978849396676467196763552523591973397346664984966172857292343287646475974658479469461347191919929771879482626234928761919593653669

班級：班級：姓名：得分：24-5=81-2=12-9=15-6=18-9=43-4=58-9=12-3=11-5=45-8=77-8=64-5=38-9=61-8=11-2=11-2=64-7=52-3=43-7=11-5=21-2=61-8=54-8=88-9=76-9=41-2=82-5=46-7=35-9=47-8=65-6=22-3=51-8=53-9=53-7=84-8=42-6=82-5=14-6=73-7=42-6=14-7=71-3=82-9=83-8=61-5=65-9=32-9=16-8=21-5=45-7=74-5=54-7=37-8=63-9=82-3=84-8=11-5=76-7=21-4=15-8=65-9=22-7=23-4=83-4=27-9=32-3=52-6=51-2=55-6=61-5=62-8=53-7=57-8=13-6=63-7=25-8=51-2=42-3=44-5=46-8=37-8=73-7=82-6=32-9=13-4=64-8=71-4=66-7=42-7=13-6=74-8=23-7=56-7=23-5=84-5=15-9=86-7=31-4=65-6=

20以內退位減法口算題（四）參考答案197939939499637695929539957493661953467967397739263959194344467636778663676873755656238163869472954797666917756151979182946494956544649756174939393829667623956675935766164918796792759

班級：班級：姓名：得分：17-8=15-6=78-9=31-2=36-8=82-3=76-9=21-4=17-8=82-9=61-5=64-5=61-2=54-6=17-8=52-9=74-5=66-8=56-9=51-8=61-3=74-7=58-9=84-5=84-9=53-4=85-7=14-6=31-7=75-6=42-6=67-8=33-7=47-8=25-6=71-5=14-8=32-6=11-7=53-5=13-7=42-9=51-7=67-8=87-8=52-6=87-8=65-6=61-4=65-9=22-5=15-9=66-9=12-3=21-5=41-2=12-3=88-9=21-4=81-2=76-7=52-7=43-7=42-8=14-8=25-8=47-8=34-5=12-4=43-4=23-8=63-7=54-5=72-9=66-7=52-3=45-8=75-6=66-7=52-9=21-7=64-8=22-8=52-8=27-8=27-8=52-6=57-8=82-5=72-4=43-4=23-7=74-8=65-9=31-4=46-9=63-8=41-5=11-8=34-8=

20以內退位減法口算題（五）參考答案996929287967179735659594894369584743586749797549788246936592639196662644863344597946795957561765791639979177969453634617392983915564963594937695943145614441919464977683916665627375536326

班級：班級：姓名：得分：21-2=72-6=41-8=33-7=31-2=21-3=83-9=37-8=13-7=75-8=42-3=66-7=24-7=74-6=85-7=15-6=67-9=41-8=72-3=77-8=27-8=45-9=22-6=75-6=71-8=51-2=11-8=45-9=43-9=71-7=32-3=61-8=14-5=82-8=32-9=11-4=71-2=15-9=56-7=44-9=61-8=42-5=81-5=82-6=87-8=47-8=32-9=66-9=62-9=21-2=45-8=87-8=63-7=51-2=18-9=86-7=61-4=23-4=62-3=62-6=42-3=62-9=51-6=52-6=51-7=63-4=63-8=71-6=34-8=67-8=62-3=61-8=47-8=15-9=21-2=64-5=64-5=83-4=51-6=74-8=72-5=45-8=84-7=53-4=51-8=61-5=22-8=11-5=51-2=16-7=72-7=28-9=64-5=77-9=13-9=73-4=25-6=36-8=75-9=57-9=

20以內退位減法口算題（六）參考答案196633262918742966739591768789583369691936166963493363464295397423769649355337767679392357531937795649979571959563953454644595565265959533961959597945666737774943561464996519596846919286648

班級：班級：姓名：得分：75-9=73-5=31-2=45-6=86-9=76-7=32-6=82-6=73-7=23-6=17-9=52-3=21-6=22-3=51-2=41-6=72-9=62-6=51-2=87-9=51-8=41-2=52-6=73-7=26-9=73-9=12-5=13-7=31-3=16-8=65-7=41-5=66-7=61-6=64-8=22-5=28-9=34-5=73-4=83-6=81-8=41-2=54-5=51-6=37-9=27-8=52-5=75-9=62-6=15-9=75-9=63-4=16-7=11-8=82-9=73-7=53-7=73-8=44-5=35-9=41-4=33-4=41-8=64-8=46-7=13-7=83-7=17-8=82-3=55-6=71-8=46-9=72-6=31-4=82-3=73-4=17-8=24-5=82-6=77-8=18-9=15-6=73-7=34-6=62-9=81-2=33-7=13-7=31-5=35-7=22-6=24-6=56-8=71-3=24-5=23-6=66-9=57-9=82-6=22-6=

20以內退位減法口算題（七）參考答案6668293977692676661784915194935635649784339466617647628858365955561719296977733949452819476656666599373664665392637293356396769794963376627796991976699966285379266262816184868191757487616

班級：班級：姓名：得分：51-3=77-8=21-8=72-6=85-6=34-5=81-4=11-7=64-5=28-9=41-8=71-2=67-9=83-4=55-6=82-4=75-9=66-7=15-6=27-9=58-9=86-7=56-7=31-4=72-6=76-7=32-9=81-2=61-7=66-7=45-6=71-2=32-6=25-7=25-7=12-6=23-4=83-6=23-5=51-5=85-6=25-6=75-9=41-7=25-9=41-5=36-9=63-4=16-7=81-2=74-6=83-7=11-8=75-6=62-7=22-6=24-7=13-4=56-9=84-8=32-8=85-9=83-7=63-4=42-3=43-7=32-4=32-9=32-5=12-8=31-8=41-5=84-7=41-2=63-7=51-5=24-5=54-9=73-5=37-8=75-9=57-8=81-2=42-4=72-9=31-2=82-9=18-9=84-8=22-3=61-7=36-7=66-9=62-7=21-2=75-9=76-7=84-5=63-6=62-3=

20以內退位減法口算題（八）參考答案486913667929774591933695879497866599184979492766692379545939692618186197718467919663416362759979687636955161794776247676593936282327423367739564619456829664979386329739761954295755196669795759

班級：班級：姓名：得分：11-3=42-9=57-9=85-9=28-9=12-6=17-8=86-7=41-4=35-6=64-8=61-4=14-7=71-8=72-9=83-7=44-8=41-5=54-9=13-4=84-8=73-9=22-7=42-9=25-9=64-8=63-7=27-8=24-8=61-7=26-9=12-3=41-5=11-2=81-5=68-9=78-9=33-4=51-8=51-2=51-2=72-6=22-9=44-5=71-5=87-9=14-9=27-8=85-9=24-5=18-9=36-7=43-5=87-9=31-4=12-3=72-6=88-9=43-7=11-8=21-5=66-9=42-7=25-9=67-8=33-6=22-9=72-9=77-8=15-9=21-2=51-4=21-4=23-7=13-7=56-8=25-9=85-6=82-7=32-6=56-9=62-6=54-5=14-5=72-8=73-9=35-8=55-8=23-6=65-6=71-5=53-6=55-6=34-8=52-3=61-3=75-8=28-9=21-5=48-9=

20以內退位減法口算題（九）參考答案833487619697937295657763637636364597664153316565619165417936976596929434949661339667851976199293878279667936316573516592713636961947171664816797526475649964642747175966474926495867191639

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