人教版小学二年级下册数学口算题

7.7 84-49=98-21315-213 89-36=69-52=77+48= 47+11=51-10298-568 25-63717-27387-89= 7.8 57+96=47+637=89-89= 81+83=255+87=48-126 46+41=51-34=15+426= 73-459306+93=31+497= 29-34=426+97=85-40= 7.9 86+94=88+19=68-648 93-455279+86=73-305 94-25541-355488-3= 11-546243+85=37-17= 819+99=66-55=99-83= 77-38=52+39=86-328 568+57=35+153=28+38= 33+183=96-32=46+27= 61-74=60+25=69-243 71-75=73-83=68-27= 63-34=88-182124+51= 69+41=77-75=27-186 69-27=76+46=20-102 43-54690-84=29+567= 99+47=48-31=549+93= 408+78=84-47=80-75= 182+55=75-16=70+72= 52-36=99+14=69-83= 67+78=54-54697-65= 11+273=29-82=11+246= 77-35=60-49737-244 32-93=73+93=51+63= 76-18276-14781-546 85+48=36-32899-38= 648+58=124+74=80+85= 92-30595-42=56-186 147+89=37+244=39+49= 75+24=81+75=19-427 77-57=79+85=78+76= 57-24=70-72950+142= 40+729=38-12368+19= 69+25=405+66=23+42= 328+81=102+95=59+54= 38-27973+16=63+98= 26-10294+99=45+44= 549+58=37+637=37+48= 26-18623+306=66-83= 77-15=60-164728+88= 90+88=246+83=79-52= 30-32840+488=83-86= 90-93=89+30=74+74= 80+54=65-45=153+92= 30-35579-39=94+69= 405+88=72-30556+44= 82-16=82-49757-45= 88+99=79+96=43+153= 427-4=99+54=284+55= 15+153=54+58=29-155 17-63972-79=86-73= 62+86=92-408273-3= 29+306=98-60=56-27= 17-20512+162=182+77= 93-14713+305=18+366= 82-27964-37=32-124 96-98=408-4=96-42= 25-155567+92=37+162= 24-42796-56788-33= 44-48=79+28=21+819= 27+49=36-63=80-142 36-364637+88=67+36= 40-10524-287357-3= 78-729369+53=52-459 53+49=72+44=35+162= 246+91=68-65=92-34= 246+54=68+38=97+20= 44-38=26+28=84-42= 488+64=89-38=455+87= 86-97=87-64875-49= 284+89=81+54=92+44= 71-427369+85=29+16= 37+279=497+61=56-244 56-19=87+82=88-47= 81+32=91-95=42+14= 60-28478-77=48-168 648+81=98+97=244+62= 86-63724+305=44+549= 92-46=29-74=34+243= 58-63764-86=52+94= 17-568105+60=17+639= 20-52=23-42=65-648 88-486155+72=45-59= 77-55=84-42649-86= 24-36472-408408+64= 96-52=69-40=33+23= 31-10566-42684+92= 20-64841-62=44-43= 94+67=48+324=27+43= 23-213243-7=49-273 58+69=99+50=82+33= 35+27=12-18964-147 48+26=76+22=79-248 82-14=69-728124+53= 44+126=49-27953-64= 43+728=55-27940-123 19+153=98+37=73+36= 32-32441+366=24+21= 99+39=35-30655-455 84-77=73+29=35-83= 57-40863+24=66-67= 204-2=38-30527-52= 69+38=58-42635-74= 86-35=273+52=36+287= 63-85=85-33=13+427= 98+32=91-44=82-255 58-52=95-23=80-57= 35-36610-18346-369 54+25=32+546=28-546 86-27=58-24875-405 44+41=729+78=25+364= 75+34=63-54686+48= 36+255=49+50=59-14= 25-34=123-3=408-2= 58-56722+279=96-168 77-23=55+13=54+82= 97-18363-63=68-45= 23-10587-48=32+405= 39+637=61+82=729-2= 92-15374+78=79-83= 86+95=83-38=81+44= 97-44=55+54=71-168 32-53=10-49794+25= 77+36=75-49777-47= 64-16490-62=33+248= 50+102=122+87=48-182 94+65=29-18=71-55= 36+23=30-28763+65= 36-56=15-32896-39= 186+74=83+86=80-46= 72-16480+52=60-49= 29+455=62+31=86+16= 98-77=44-64874-42= 91-46=65-76=36-255 30-10517+729=78+87= 99-89=96+26=52-369 51-16891-35515-287 27-42=42-24355-22= 83-25588-28754-459 35-21780-273637+65= 12+273=30-38=405-7= 87+26=68-30598+33= 58+58=87-82=35-126 75+96=89-25=243+72= 29-24893+67=62-122 96+73=72-12=31-92= 40-40872+94=42+105= 22+637=85+18=66+38= 69+43=75-87=90-126 52-65=16+357=729+92= 89-39=62-15341+153= 22-24432-24332+427= 89-48677+26=37+819= 55-73=90+62=86-488 87-66=84-54=68-164 76-55=47-12397+55= 79-40825+25=53-243 52+89=61-56738+25= 70-24449-92=69+48= 56-16=77-18981-45= 13-123355+65=35-637 68-62=41-49=28-35= 64-45526+306=455+58= 96+87=98+29=88-205 20+328=84+94=32-126 357+79=42-205102+64= 37-93=497+81=83-59= 49+33=30+204=168+65= 287+70=85+45=98+59= 93-20484+39=75-93= 23-45=29-36459+42= 58+66=16+328=164+89= 86+74=27+21=26+273= 48-42=83-14267+28= 459+67=52-58=50-36= 82-205162+80=84-729 408+74=33-45578-26= 168+99=93+38=89-69= 70-64883+53=204+88= 95+40=69+94=88+57= 68+78=37+20=86+20= 17+279=93+85=15-183 366+55=34-15567-19= 40-45953-43=99-366 28+44=37-54647+186= 70-18348-46=23+23= 56-24813+213=369+65= 96+67=11-728819+96= 42+102=66+34=97-47= 53+88=68-75=28-279 273+76=95-96=65+56= 33+38=65-28748-162 86-95=29-10293+68= 67-45548+19=16-217 123+60=28-49771-58= 73+28=183+92=56-364 50-32876-32899+67= 88-49=68-46=40-729 244+95=63+46=81-37= 76+40=567+88=273+72= 486+99=73-48=39+217= 98-71=183+77=53-182 18-12651-58=69+45= 486+78=94+84=43-48= 84+98=41+284=58+28= 37-45=819+74=86-124 819+61=42+29=23-73= 35+123=57-12=66+57= 29-27959-45=153+98= 67+26=99-12424+105= 84+40=99-42712+189= 94-99=36-64857-49= 59-15=51-40549-328 52-35522-64846+186= 79+41=96+45=33+124= 243-5=61+62=39-10= 35+20=43-83=54-55= 72+37=29+639=44+205= 52+36=84-87=122+97= 87-40=42-15560-74= 64-21795-27389-41= 48-72=123+57=64+25= 30-47=74+23=47-39= 74+38=30-34=355+70= 93+77=23-44=819+65= 124+75=84+41=75+37= 204+76=46-12=63+67= 56+78=65-19=82+25= 78+30=41+305=72+29= 61-59=88-57=45+568= 405-4=22+168=164+62= 306+65=488+62=21+639= 36+244=19-10254-74= 29-21394-37=164+56= 86+40=20+455=639+96= 98+49=89-68=287+74= 68+45=67+48=62+35= 14+488=60+95=86-38= 57+99=70+25=14+369= 87-43=64-19=61-205 16-49732-35=85-95= 51+53=86+38=53-369 67-41=87+19=60+54= 70+45=34-63944+729= 86+36=90-67=89-459 77-16836+305=213+75= 248+82=366-4=77-33= 78+43=91+74=18-243 49-48856+66=56+36= 76-39=60+43=21-124 88+29=87-18380+35= 60-77=11-18959-12= 97-51=67-67=46+46= 16+162=31+284=57+73= 65-27=42-34=47-729 78+35=26+12=96-38= 25-43=82+99=48+217= 13+324=64-11=45+45= 95-16815-30542+42= 819+83=155+98=84+35= 43-35573+79=79+53= 35-11=189+77=246+57= 83+36=366+70=53-355 90-42735-84=20+164= 37-83=168+85=38-459 65-30591-24357-32= 84+42=62+42=11-328 85-20=819+62=69-92= 43+14=61-92=366+94= 50+488=14+459=86+22= 36+405=39+28=15-639 84+33=89+47=29-488 94-30527-10298-56= 486+96=205+97=12-126 77-39=31-72=88+35= 162-6=43-497189+91= 64-15336-32441-728 55+95=568+66=55-69= 68-23=77-18220-155 53+25=86-34=81+23= 65-35527+28=87-51= 35+23=58-73=57-11= 99-69=67-42790+83= 34+49=279+55=72+16= 87-35765-57=62-44= 49-549648+65=54+85= 40-35771-47=85+16= 30+284=50+819=102+77= 51+95=60+72=97-78= 79-43=67+99=47+364= 67-15374+14=102+55= 58-34=82+14=42+549= 46-56=89-66=28-52= 23+244=155+95=77-21= 408+91=728+92=86-78= 98-24433+455=80+73= 82+37=23+819=46+12= 324+65=67+45=48-64= 46+168=18-16464+99= 126+76=284+78=55+85= 87-32493-98=19-189 97-30=77-85=25-305 75-43=255+65=55-67= 77-24469-42=43+244= 72-76=97-48=637+86= 83+48=60-65=12+183= 94-47=19+155=11+248= 12-25552+23=78-287 81+24=67+95=43+124= 25-54=50+549=78+48= 63+31=72+41=93+55= 62-18251-16232+31= 95+53=648+62=18+549= 89+57=16+105=31-43= 75-11=29-16=16+364= 83-58=13+147=21-819 53-30543-49=18+168= 30-48852-48854+23= 65+21=82+62=408+89= 30-81942+21=36-39= 45+19=98+74=98-44= 89-47=243+89=488+69= 567+53=71-45=22-45= 50-75=76+43=98-243 52+22=62+55=45-58= 57-85=427+67=95-364 98+35=488+77=97-55= 243+66=32+284=14-153 45-10565+14=63-213 53+18=546+87=142+63= 71+28=84+64=81+55= 92+32=189+82=20-328 97+95=355+89=28+20= 28-39=29+205=39+305= 67-32=549+90=55+46= 24-48611-105305+54= 24-32493+13=59-32= 24+13=58-56855-21= 34+305=16-35545-17= 72+26=96-42667-21= 66+97=455+82=31-37= 81+85=54+22=58+44= 24+36=64-40812+324= 124+69=25+405=45+204= 44+204=79-12496-46= 52+33=155+73=96+96= 80-73=79+40=58-18= 287+68=67-305426-4= 355+76=567+77=47-28= 273+55=80-95=567+66= 20+357=75+45=96-34= 36-63962-567248+65= 204+85=96-86=31+182= 21+408=55-66=98+31= 91-14759-45989-24= 67-486405+60=87-369 37-56811-25529+124= 728+71=60-426124+66= 153+95=76-324637+75= 105+70=23+31=51-72= 22+728=568+51=27+369= 49-76=23+46=25-64= 81-28432-52=12-273 65-12213-18952-155 31-54978-86=32-246 67+17=46-18654+41= 24+142=57-69=77-183 49-34=366+51=82+53= 40-16285-37=86+19= 74-19=35-10275+87= 426+63=366+97=54+48= 62+19=81-79=96+99= 23+305=306+96=50+357= 58+44=16-32454-93= 98-273255+86=34+23= 73-45=18-15537-74= 66+35=20-30528+217= 75+92=81+49=23+18= 324-8=546+98=47-48= 84+39=41-189217+83= 305+67=12+287=78-44= 16+648=64-63=54-76= 95+73=40+126=92-98= 248+72=46+162=305+59= 70-14276+41=52+22= 91-56871-12414-729 69-32=67+96=72-98= 88-36989+88=61-68= 58-56=82-24663+13= 52-48=73+33=81-78= 74+46=88-24378-48= 73+28=35+15=59+37= 95+96=85-47=30-405 30-42626+13=85-366 79-36=29+243=53-76= 11-35799-62=96+23= 51-48=648+82=728+99= 57-17=25+279=62-96= 43-43=77-32449+41= 87+12=47-12=75-15= 36-20488+14=82-74= 73-96=77+39=66+67= 82-639243+73=89-57= 42-186366+91=96-46= 306+80=83-40511+488= 54-28481+93=30-153 73-98=56+22=76+44= 13+279=87+36=79+25= 21-15592+48=24-357 97+82=70-93=23+16= 87+38=34-54978-39= 99-42=287+67=25+105= 63+22=79-357279+54= 59+73=82-59=94-23= 58-244255+84=99+13= 43+164=93-546244+56= 67-37=497-4=97+41= 26-20437-44=48-84= 98+39=52-95=59-18= 189+86=15+497=67+79= 79-18293-21774-22= 74-53=47+243=12+126= 70+29=28-35791+35= 86+73=26-38=30-186 69+57=57-15366-369 306+86=89+32=305+57= 85-30=369+66=69-168 43+279=91+76=255+74= 217+62=357+81=78-53= 244+96=55-37=355-4= 65-27990+27=57-38= 56-30=28+637=62-84= 33+147=66+37=284-3= 155+83=85+19=47+41= 47-82=23+183=75+39= 53-14282-95=51-567 284+62=65+30=87-488 76+93=69+82=95+92= 62-48861+28=25-427 13+366=58-33=33-102 49+147=65-58=46-459 85-49=62+16=53-147 13-63770+73=53-65= 95-46=56+29=87-53= 36+31=85-36=30-36= 728-8=96+22=99+16= 18-56730+246=58+53= 324+74=46-62=34+366= 25-48648+328=38-186 17-24679-36669+49= 87-58=12+102=25+50= 90+22=67-43=34-123 40-14299+40=79+36= 92-94=59+31=67+30= 77-28447+40=46-21= 68+87=52+75=38+50= 86+23=37+122=14+455= 32+36=53-45530-244 88+69=38-10580+84= 76-56=123+87=89+86= 279+65=47-32449+408= 21-427455+51=78-284 328+84=92-36477-369 75-31=73+72=86-20= 459+65=42-39=486+94= 45-36437-35=46+273= 36+122=287+69=90-124 96-35564-85=459+86= 72-36=57-42=21+102= 42+486=23-18632+45= 54+19=85-54=58+63= 97+32=87+87=33-639 72+66=33+369=639+85= 20-28476-20=59-45= 75-12255-92=66-74= 93-76=56-23=66+16= 99-56=26-72856-284 86-66=79+68=243+95= 71-96=51-24353-74= 54+33=427+92=96+49= 91-18287-77=29-205 80+94=63+25=67-36= 19-16489-49=53+11= 45-42=819+52=23+408= 65-24326+284=105+97= 31+426=71-18333-729 95+56=84-23=183+63= 10-18223-53=81+48= 488+84=76+72=61+24= 35-105549-4=32-213 568+88=20-34=546-8= 51+37=39+12=73-92= 24-83=164+54=69-34= 57-35796+76=567+54= 84+24=46-287305+82= 64+69=79-36964+11= 355+79=94+64=21+729= 69-63929-72957+19= 96+59=729+80=729+87= 36-66=86+69=11-355 74-24=92+54=49+23= 47-42625-24483+77= 30+273=58-17=99-488 32-36696+44=76-35= 94+46=455+72=189+54= 86+25=66-30534+153= 48-45545-63=22+255= 56-16879-26=75-47= 35-73=88-56=88-55= 79+77=68+97=79+20= 56+30=92-182639+92= 42+33=75-30584+72= 64+55=78-63774+45= 48-32890-16844+183= 38-27360-273426+74= 287+79=364+64=45-567 93-84=99-73=85+38= 67+75=88-45596-24= 21+426=83+34=10-255 86-24433-56765+64= 366+93=75+11=89-255 21-52=72-68=459+72= 39+819=497-5=92+44= 95-87=72-78=72+22= 92-15=217+73=255+88= 455+60=14-30576+43= 99-74=273+88=369+81= 126+65=57-74=58-35= 91-10584-24627-153 74-96=86-10=497-3= 39+355=23+123=92+98= 17-56792+23=246+96= 244+89=47-64=59+33= 53-12676+82=94+58= 98-42720-24656+56= 79-79=65+46=63+87= 49-28441+246=287+72= 45-11=71+43=35-497 78+96=366+77=244+63= 48-40531-55=42+287= 43-74=56-32440-54= 408+77=79-24=94-58= 49-30635-20518+153= 69-43=75-25581+89= 14-12474+87=32-73= 75+99=83+14=78-366 273-8=32-18639-126 65-87=84-48699-729 61+39=96+20=53-55= 189+97=90-164355+56= 63+54=49-24844-56= 65-77=84-96=96-47= 35+648=55-28479+14= 20+366=91+46=35-147 99-49=96-28=62-37= 99+92=39-56=93-23= 34+729=72+88=86-41= 39-64810-12388-43= 51-63941-93=57-35= 153+53=69-63717+155= 88+96=75-36=549+64= 77+78=90-24432+37= 68-18318-40822+189= 76+48=67-32885+30= 153+88=60-39=279+77= 26+405=55-21373-47= 55+35=78-35=52+45= 14+182=217+96=97+27= 31-30534-48630+162= 73+89=89-31=426+95= 67-64=67-189243+98= 51-37=88-35530-126 426-6=97+26=71-155 488+97=55+19=12+155= 18+637=546+61=305+88= 16+124=34-45=48-355 14-24473+48=83-53= 28+819=17+164=88+30= 43-18624+189=44-186 59-28767-74=75+82= 65+73=80-72=12+366= 33+45=60+52=31-73= 153-2=68+36=54+88= 162-5=71-72965+41= 85-39=71+25=18+639= 88+77=155+80=54-12= 72-39=53-244168+66= 21-63795-24859-273 76+87=57+45=91-92= 18-10531+217=88-183 40+189=67+40=85-244 51+77=50-20463-68= 95-44=43+41=91-35= 69-41=28+328=123+59= 38-15521-32453+22= 255+94=73+65=93-73= 73-16297-85=42-486 213+90=98-36=63+34= 567+57=25-324819+93= 568+92=69+32=48-244 96-15560+85=728+76= 79+52=50+366=42+186= 45+11=95-38=205+61= 78-33=22+21=97-328 25+27=89-95=59+44= 63+49=74+29=59+35= 95-45=77-20526-92= 427+76=47-17=98-164 549+75=102+90=155+57= 91+98=69+15=369+84= 57-12483-84=93-189 47-26=48-85=56+15= 68+11=49+31=30+287= 168+79=98+34=205+70= 57-66=48-16=49-82= 75-24=99-54684+27= 62+48=22+426=35+567= 205-2=28-72847-124 65-27396-83=66-63= 69-244455+67=18-142 81-12490+87=76-155 68+72=33+729=54-45= 182+53=66+27=147+85= 77-28=87+88=69-65= 38+45=64-72835+21= 80-217243+80=69+78= 71+36=67-12336-47= 91+68=56-74=14-357 648+61=36+41=36-124 97-60=93-28744-72= 64+95=357+54=729+68= 55+29=43-64813-142 31-48646-11=45+183= 51-49=819+88=12+568= 77+35=84+20=21-729 96-84=38-12634+164= 87-24=29+18=31+366= 459+97=42+40=25-243 74-16488+50=84+12= 41-53=46+366=26-168 76-40879-95=83+21= 78-42=96-20570-122 102+67=36-45=44+168= 26-30578-72=58-78= 123+79=244+91=47-19= 72+49=89+31=56+27= 38-56=306+90=74-13= 546+79=84+46=79+94= 243+69=37+19=71+63= 76+18=94+18=75+21= 12+567=729+51=48+30= 91-56757-37=55-63= 56+50=85+49=67+32= 59-20426+38=98-37= 19-81966-567102+97= 96-72888-54=82+93= 819-3=98+92=89+44= 54-20=92-37=38+168= 71-28414+204=57-20= 81+74=99-45=98+22= 76-48685-142357+57= 43+40=80+37=87-729 74+33=21+427=94+82= 12-54612+648=91-648 78+75=51-35558+98= 49-12294-32893-96= 204+94=72+56=74-18= 24-305244+73=16+183= 287+88=52+26=57-186 88-45=25-72811+459= 48-65=91+55=32-639 94+72=69-93=70-52= 405+64=32+35=23+273= 79-549328+67=77+44= 77-20=13-40869-52= 24+246=66+49=58-488 47+488=51-35=60-567 74-43=72+64=32+11= 33+355=70-20592-205 85-96=23+728=19-183 31-42=19+729=78+38= 59+30=59+37=153-3= 61-54979-44=41-147 59+79=64+79=39-122 28-124123+90=69-50= 74-17=67+49=86+72= 69+50=168+52=94-102 78-41=87-35557+20= 65+45=46+44=81+33= 205+77=66-47=85-31= 56-15383-96=51+73= 486-5=71-18686-67= 52+34=728+84=38-488 38+182=364+70=83+26= 50+306=78-58=80-182 23-16458-64845-183 50-24344-82=76+27= 39-54660+64=279+60= 20+155=99+42=328+59= 78-94=89-63=96-273 88-30=83-488568+79= 77+36=75-37=35+102= 637+83=81-357355+72= 273+95=47+455=37-56= 85-32=75+93=54-49= 80+65=35-42674+48= 96-36972-28754-305 89-42=93-42=99-70= 97-41=355+53=37+23= 49-24=39-14724-105 55-54953-66=75-12= 79+37=60+82=76+92= 63+93=96-45=126+72= 89-58=45-40544+32= 22-24627+279=75-328 328+57=16+728=96+77= 73+42=27+728=65+69= 52+86=37-32820-142 49-14=65-24=65-153 49-35749+21=21+147= 83+34=102+59=67+25= 91-12246+38=72-56= 33-248639+63=39-408 61-18681-84=62-65= 78+26=43+44=86+49= 52-56=213-4=81+68= 35-28722+46=28+408= 37-12489+18=59-41= 66-58=86+50=63-58= 85-54699+23=37+16= 84-72853-328153+81= 40+205=408+85=213+54= 25-36=58+64=78+43= 24-24635-20492-77= 51+68=88-12275-486 55-12698+30=162+63= 72+30=65-147728+73= 47-54688+86=126+78= 99-47=63+38=29+246= 88-24825-42617-728 75-34=45+168=87+62= 26+244=48+35=33+246= 90-10546-85=91-37= 217+58=92+79=44-189 83+32=83-32881-328 80-69=99-16468+66= 84-75=46+155=53+17= 61-58=426+64=64+52= 58-28483+42=35-75= 32-16282+42=243+81= 96-63918+728=65+87= 83+11=53+54=91-488 89-56=69-45531+369= 20+287=56-48=28-408 96-324217+95=94+34= 26-54624+546=56-53= 60-52=47-32814+243= 93-35529+273=31-3