一年级数学计算题专项练习1000题集锦

一年级数学计算题专项练习1000题集锦87-7-5=23+7+8=82+5=36-2+6=52+5=67-7+4=95+3-4=48-8+3=15+4+7=46+9+6=5+50-3=11+6-8=86-8-7=82+7+9=33+3+9=9+3=8+42=5+7+4=39-5-9=77-7-9=31+7-5=60-5=29-2-5=65-9+5=37-9-4=21-2-5=70-3+2=66+6+9=75+8-3=3+52=76+2-4=39-4-8=36+5-4=27+8-6=1+57=19+3=3+24=85-5=68+3=85-3+4=23+4+9=40+9+3=4+92=71-4=34+40=20-2-5=4+7-3=3+69=23-9=53+40+3=69-8=30-7+2=23+4-5=11+6+3=50-2=59+3+2=72-6+8=10-2-6=47-3-10=88-4=7+27=19+8+2=43-3+9=26-3-2=33-6+7=55-2+6=85-7+3=33-9-8=92-3-4=52+6+4=95-5-9=9+7-5=57-9=44-5-9=88+7-2=56-5+4=62-9+3=32+4+8=69+3-1=91-5-20=58-4+3=77-5-2=53-1+6=82+4+7=22-6+7=61-4=99-9-3=2+96=67+1-7=38+9-3=80-4-7=55+3+6=34-7-9=49-2=37+7+8=19+2=31-4=5+33=57+10+6=54-8+5=78-7+2=3+72=46-20+6=64+1=88-6-3=82+7=47+4=52+4+5=83+4+5=65-5+2=3+45=20-1+4=13+4-2=84-3+9=18+3+9=84-20-2=46-4-1=58+5-3=1+20=44-2=5+49=86+6-5=99-4-2=47-4+9=36+9+6=55-3+7=93-8+7=38+2+3=18-4-9=6+3+2=3+4+8=7+67=62+9-6=92+8=45-4+1=77-4=69-2-8=8+6=46+40=87+2+8=88-3-60=27+7-3=37-5=96-5+9=25+2-9=17-9+1=60+8+6=55+6-30=20-5-7=53+5-2=45-6+2=41-3+9=37-8=33+3+8=42+9+5=77-9-6=21-7+2=73-8-4=4+8-5=59+8-5=32+5-7=27+8+7=96-2-9=21+2+9=6+47=48-3-6=31+5-7=84+7+5=34-3-5=1+50-6=81-9+3=30+14=76+2-6=46+7-4=70-7+20=92-6+2=6+9=80-2+1=33+2-7=65+9-8=78+3+2=74+6+7=50+29=14-1+4=73+3-6=4-3=81-3=4+70=64-5+1=80+2=54-20-9=28-6=27-7=7+4=34-6=78-2-50=61+4+7=10+8-3=44-6-4=95+5-2=30+5-3=34+5+2=2+40+9=3+40+5=4+77=85-5-7=30-6+9=54+9+3=3+34=80-9+1=64-2-60=6+65=48+8-5=77-20-7=61+7=26+4-8=6+49=21+7=56+2+6=77+7+2=40+7+3=65+3-5=59+6+5=62-3-5=6+10=38+2-9=18+4-7=83-3=3+51=94-3=62-20-7=8+32=48-7-5=93-2=8+2+6=31-8-5=83-2+8=46-6-5=48+2+8=64-2=64-9-3=39+9+7=29+30+9=97-2-5=20+3=45+9-4=17-3+6=75-40-5=12+2+1=70+5+2=81+4=95+3-9=31+6-1=92-7+8=45+8+3=3+8+5=87+9=12+8+1=77+9+2=95+3=88+7+4=94-7+5=7+89=69-3-5=13+4+8=94-5-8=8-3-4=79-50+5=79-9-3=65-4=10+2+5=74-4+5=67-6=59-3=33+5-3=33-3-9=91+4=26+2+6=25-2=69-60+9=56-2+3=29+6=65+5-3=22+2+4=70-4+5=92-3=6+35=54+9=44-1+2=5+20=71+20-1=94-40+3=29+8+5=70-6-7=55-2-1=76-9=30+40=88-8+9=47+7+5=8+4-7=58+9=21+2-7=35+2-3=69-3-6=2+15=69-3+7=35+6-1=40+5=81+3=42+4-6=24+2=39-8+3=2+36=37+9+6=24-9-7=91-4-3=4-2=50+6=72+3=88+6+4=57-4+2=98-7-8=30+9+6=62+8+7=22-9-3=54+9-4=86+3=61-3=78+5-9=12-6=72-9-50=42-6-2=83-2+3=68+6-9=57+2+6=55+2=4+3=43-7+60=97-2-6=48+9+2=21+4+5=28+5-4=18+5+4=88+6=31-5-6=75+8-20=84-6+7=30+5-7=48-3+2=91+9-5=18-4-5=71-4-7=28+9=30+23=11+9=53-50=90-2-4=94+5-2=7+61=88+5-3=36-6-4=10-8=45-5+8=50+40-5=28-9+3=73-9=3+22=88-9=76-4-8=68-8-5=38-9-3=68-8-6=42+2+7=23-3-4=26-4-9=80+4-5=85-9-2=50-9-5=61+2-40=63-4+30=60+6-5=13-7=16+8+5=79-7-6=36+7+9=57-4-9=28+4-9=22+2-4=24+9+20=95-60=37+8+4=54-6-8=72+7=69+4+7=63-6=59-4+2=29+40=66+3-10=24+1-8=39+5-7=62-20=22+5+70=36-9-8=84+2+9=34+50=22-6-4=61+2-4=29+9-2=99-4-70=79+8+5=49-4-30=59+5+9=27-3-8=35-7-4=43+8=61-1-7=17-9=24+8=89+3+5=56-4=72-6+4=66+4+2=70+5+7=58-6+1=33+6=8-3+9=74+7+2=6+38=84-3+7=54-7-4=82-3-9=63+9+4=58+4+2=3+36=78+5+2=49+7+2=6+14=60-2+3=35+7-9=64-2+6=74-9=98-6-70=20+6=66+8-4=88-30+5=49-3=65-7+4=2+4+7=62-3-7=98-9+2=71-5+9=8-7=75-5-6=81-6+5=51+4-2=28+6-7=3+58=35+4-7=47-3-1=90+3=70+5-8=8+82=3+53=84+2+4=3+82=27-6+8=7+5=73-2-5=80+4+3=49-6-3=41+8=11-4+3=12-5+2=73-9+7=81+6-2=12+2=7+43=99+1=9+87=45-3-5=5+28=82-8-5=6+24=64+30-6=7+2-4=94-30=2+58=46+4=17+3+9=79-9=60+1+5=79-5-6=10-9=55+4+8=58+8-6=57+5=58+5-2=14+2+80=35-8+2=13+80+5=3+32=39-9-6=15-8-5=3+6-9=69-5+2=43+2-8=30-2-3=78+5-60=44+5-40=5+62=17+8-6=93+1-5=70+3+6=73-8=88+2=66-3=78+9=33+9+7=13-5=95-8-6=25-6-5=2+85=51-6+40=53+3=65+9-5=98-6+2=6+66=92+7-8=62-7+2=66+5=79-70-6=45+7-9=36+2+9=70-9-8=83-5+4=75+8-5=61-3+4=82-2+5=12-2-5=66+7=49-4+9=28+2+5=50+9+7=48+7+6=77-8=60+21=22+6-9=56+5-9=1+9=79-5=75+2-7=35+3-8=2+31=29+7+2=33+4+20=91-90=60-3-5=64-5+3=36+1+2=9-7+4=56+5-2=2+9-4=48+4+6=5+36=94-6-9=58-9-2=20+71=88-5+7=69-5=40-4-1=79-3-20=5+40=36+20+8=59-8+20=7+4+20=4+8=60-6-9=65-6-7=3+83=72+9=66+2-6=48-8-6=30-9-8=5+77=39+1-7=45-5=57+2+3=87-7+1=45-5-9=33+6+9=72-8=23+4=13-9=43-2=14-2-5=53-6+3=36+9+5=13+2+20=96-3+5=78+3-4=21-1-3=60-2+6=75+5-1=54-6+2=43+3-1=58+7-3=42+2+9=35-4+8=86+8=21-3-7=80-5=48-4-8=61-5-2=24-5+6=17-1=47+2+9=6+84=98-60=27-20+2=76+4=35+3-9=45-8-7=50+5=90-4+7=26+5+8=76+4-3=87-2+1=18+7-2=38-9=22+3+6=73-7=39+3=28-9+7=53+2-9=46+20+7=70+20+2=62+8=89+5-7=4+95=49-2+5=73+9+6=89+7+3=26-9-7=44-7+2=37+50-8=72-2+8=28-4+3=98-6-5=50+26=75-4=93-4+2=19-7-6=16+7+6=48-10=72+9-4=80+8-6=26+4=92+8-9=17-8+60=95-4-6=29-8-7=14-7=92-10-5=33+6-7=79-70+7=56+3+40=8+47=43-2-3=82+7+8=96-8+2=70-7+3=4+21=59+9+5=34-4+6=35+6+8=6+25=28+2-8=32+9=2+52=94-7-9=74-40+9=9-6+4=41+1+2=50-8+5=7+87=65-4+3=96+3-7=80+9=29+7-2=18+8-4=10+8=79-1=7+26=92+5-6=4+13=48-3+5=74-4+7=81+5-1=18-7-8=13+4=10+7-8=16+4+3=3+38=62+9=35+5-6=8+26=77+5-3=5-2=6+44=54-5-8=3+94=61-3+9=7+80+5=17+5+3=57+2-8=17+4-9=57+3=26-8-5=5+44=55-8-6=31-7=81-7=63+2+1=82+3+4=4+54=52+7+5=21+3-7=23-9+3=59-8-2=6+39=4+58=84-6-2=30-8+3=7+2=58-6=8+5+6=5+6=38+60-4=30-4+8=58-6+3=92-2+8=34+3+6=78+9+6=2+62=15+5=9+8+6=72-8-2=78+3-6=78+7-60=27-4+9=37-2+4=42+30=73-9+3=34-3+30=17-2+7=46-6-4=6+59=81+7+4=13+6-5=46-9+50=62-8+7=62-5+8=17+80=96-4+8=47-5+2=84-4+9=61-6+4=31+6-4=74-9+5=71+2-4=48-7+3=56-7=7+2-8=73-8+3=20-7-5=70-3=85-4+7=86+8-5=88+9-3=45+3+7=2+3+40=91+7-8=43-7+2=48-6+7=73+3+2=94-20=91-8-5=2+98=5+3+50=60-3=71-2=52+9+8=55-3=32-9=78+9-4=87-3+2=49+4=92-4-9=35-3-2=24-9=84-8=51-5-2=53+7-3=14+6+7=72-5=29+8-5=92+3+5=68-8+9=49+5+9=45+8=35+2=30+3+2=12+40-6=31+9-5=7-6+3=11+6-4=72-9-5=68+2+8=48+9=67-8+9=56+5=79+2-4=30+45=9+37=47-7+3=47-9+6=20+5+3=9+77=80-6-2=96+3=29-7+8=17-2-6=30+8-4=16+4=42+1=90-30=89-7+6=30-20-2=21-4=58+8=92+4-9=86-40+2=87-9-6=15-4-6=6+89=9+7+8=57+7+3=45-3-6=24+8-9=30+4+8=76+5+7=89-3+8=47-7+5=30+3-6=21+1=84+2+8=70-5-6=59+3-4=14+4+9=70+2+7=89-9-7=91-4+9=40+6=40+9+8=3+65=39+2-5=83+6=2+80=2+50=92+2=85-50-4=95+4=32+9+50=50-4-6=44+6-4=22+9+8=39+4-6=72-9-4=21-6+60=14-2-8=22+2+8=61+6-3=45-4+9=12+2+4=84-40+9=59-5+40=25-7+6=8+14=26+5+6=65+9-3=88+9=84+7=21+5+7=70-8=17-7=53-8-9=25-9-7=84+3-20=61-8+6=19+8-3=54-2=16-4-1=80-40=70+3-7=78+7-30=77+7+3=44-3-6=26-5+6=27+7-6=24+6-3=9+40=24+70-2=72-6-5=9+17=97-5-4=91+5-30=7+2+5=32+8-9=67-7-6=92-2-7=81-9+8=19-9+5=95-6-8=80+5-7=24-8=87+3+9=7+8=63+8=37-2=88-2-8=14+9=68-6+2=29-7=85-2=10+7+2=87-2-3=97-7-8=79-6+3=12+30=91+4+2=56-6=74+8+6=5+2=2+3+4=53-3-5=12-2=69-3=50-5+2=58-8+7=9+71=72-4-8=99-40-8=29+3-5=88+2+4=69-2-7=28+60-9=63-2+3=48-7=9-3+4=64-7-2=94+5-7=18+9-3=19-7+9=81-7+3=29+8+1=6+9-8=4+53=23-7+3=59-1=48-9-8=6+4=7+6+5=35+9=49+4+3=77+3+7=46-9+8=90-8+5=34-3=51+3=82+9+2=80+8=87-2=18+7-3=8+58=45+8-6=79-2-9=43+6=17+40=1+6=18+4-5=29+2-8=81-5-4=61+6+2=70+9=83+2=35-3+8=69+3-7=3+88=46+6=59+8-4=参考答案87-7-5=7523+7+8=3882+5=8736-2+6=4052+5=5767-7+4=6495+3-4=9448-8+3=4315+4+7=2646+9+6=615+50-3=5211+6-8=986-8-7=7182+7+9=9833+3+9=459+3=128+42=505+7+4=1639-5-9=2577-7-9=6131+7-5=3360-5=5529-2-5=2265-9+5=6137-9-4=2421-2-5=1470-3+2=6966+6+9=8175+8-3=803+52=5576+2-4=7439-4-8=2736+5-4=3727+8-6=291+57=5819+3=223+24=2785-5=8068+3=7185-3+4=8623+4+9=3640+9+3=524+92=9671-4=6734+40=7420-2-5=134+7-3=83+69=7223-9=1453+40+3=9669-8=6130-7+2=2523+4-5=2211+6+3=2050-2=4859+3+2=6472-6+8=7410-2-6=247-3-10=3488-4=847+27=3419+8+2=2943-3+9=4926-3-2=2133-6+7=3455-2+6=5985-7+3=8133-9-8=1692-3-4=8552+6+4=6295-5-9=819+7-5=1157-9=4844-5-9=3088+7-2=9356-5+4=5562-9+3=5632+4+8=4469+3-1=7191-5-20=6658-4+3=5777-5-2=7053-1+6=5882+4+7=9322-6+7=2361-4=5799-9-3=872+96=9867+1-7=6138+9-3=4480-4-7=6955+3+6=6434-7-9=1849-2=4737+7+8=5219+2=2131-4=275+33=3857+10+6=7354-8+5=5178-7+2=733+72=7546-20+6=3264+1=6588-6-3=7982+7=8947+4=5152+4+5=6183+4+5=9265-5+2=623+45=4820-1+4=2313+4-2=1584-3+9=9018+3+9=3084-20-2=6246-4-1=4158+5-3=601+20=2144-2=425+49=5486+6-5=8799-4-2=9347-4+9=5236+9+6=5155-3+7=5993-8+7=9238+2+3=4318-4-9=56+3+2=113+4+8=157+67=7462+9-6=6592+8=10045-4+1=4277-4=7369-2-8=598+6=1446+40=8687+2+8=9788-3-60=2527+7-3=3137-5=3296-5+9=10025+2-9=1817-9+1=960+8+6=7455+6-30=3120-5-7=853+5-2=5645-6+2=4141-3+9=4737-8=2933+3+8=4442+9+5=5677-9-6=6221-7+2=1673-8-4=614+8-5=759+8-5=6232+5-7=3027+8+7=4296-2-9=8521+2+9=326+47=5348-3-6=3931+5-7=2984+7+5=9634-3-5=261+50-6=4581-9+3=7530+14=4476+2-6=7246+7-4=4970-7+20=8392-6+2=886+9=1580-2+1=7933+2-7=2865+9-8=6678+3+2=8374+6+7=8750+29=7914-1+4=1773+3-6=704-3=181-3=784+70=7464-5+1=6080+2=8254-20-9=2528-6=2227-7=207+4=1134-6=2878-2-50=2661+4+7=7210+8-3=1544-6-4=3495+5-2=9830+5-3=3234+5+2=412+40+9=513+40+5=484+77=8185-5-7=7330-6+9=3354+9+3=663+34=3780-9+1=7264-2-60=26+65=7148+8-5=5177-20-7=5061+7=6826+4-8=226+49=5521+7=2856+2+6=6477+7+2=8640+7+3=5065+3-5=6359+6+5=7062-3-5=546+10=1638+2-9=3118+4-7=1583-3=803+51=5494-3=9162-20-7=358+32=4048-7-5=3693-2=918+2+6=1631-8-5=1883-2+8=8946-6-5=3548+2+8=5864-2=6264-9-3=5239+9+7=5529+30+9=6897-2-5=9020+3=2345+9-4=5017-3+6=2075-40-5=3012+2+1=1570+5+2=7781+4=8595+3-9=8931+6-1=3692-7+8=9345+8+3=563+8+5=1687+9=9612+8+1=2177+9+2=8895+3=9888+7+4=9994-7+5=927+89=9669-3-5=6113+4+8=2594-5-8=818-3-4=179-50+5=3479-9-3=6765-4=6110+2+5=1774-4+5=7567-6=6159-3=5633+5-3=3533-3-9=2191+4=9526+2+6=3425-2=2369-60+9=1856-2+3=5729+6=3565+5-3=6722+2+4=2870-4+5=7192-3=896+35=4154+9=6344-1+2=455+20=2571+20-1=9094-40+3=5729+8+5=4270-6-7=5755-2-1=5276-9=6730+40=7088-8+9=8947+7+5=598+4-7=558+9=6721+2-7=1635+2-3=3469-3-6=602+15=1769-3+7=7335+6-1=4040+5=4581+3=8442+4-6=4024+2=2639-8+3=342+36=3837+9+6=5224-9-7=891-4-3=844-2=250+6=5672+3=7588+6+4=9857-4+2=5598-7-8=8330+9+6=4562+8+7=7722-9-3=1054+9-4=5986+3=8961-3=5878+5-9=7412-6=672-9-50=1342-6-2=3483-2+3=8468+6-9=6557+2+6=6555+2=574+3=743-7+60=9697-2-6=8948+9+2=5921+4+5=3028+5-4=2918+5+4=2788+6=9431-5-6=2075+8-20=6384-6+7=8530+5-7=2848-3+2=4791+9-5=9518-4-5=971-4-7=6028+9=3730+23=5311+9=2053-50=390-2-4=8494+5-2=977+61=6888+5-3=9036-6-4=2610-8=245-5+8=4850+40-5=8528-9+3=2273-9=643+22=2588-9=7976-4-8=6468-8-5=5538-9-3=2668-8-6=5442+2+7=5123-3-4=1626-4-9=1380+4-5=7985-9-2=7450-9-5=3661+2-40=2363-4+30=8960+6-5=6113-7=616+8+5=2979-7-6=6636+7+9=5257-4-9=4428+4-9=2322+2-4=2024+9+20=5395-60=3537+8+4=4954-6-8=4072+7=7969+4+7=8063-6=5759-4+2=5729+40=6966+3-10=5924+1-8=1739+5-7=3762-20=4222+5+70=9736-9-8=1984+2+9=9534+50=8422-6-4=1261+2-4=5929+9-2=3699-4-70=2579+8+5=9249-4-30=1559+5+9=7327-3-8=1635-7-4=2443+8=5161-1-7=5317-9=824+8=3289+3+5=9756-4=5272-6+4=7066+4+2=7270+5+7=8258-6+1=5333+6=398-3+9=1474+7+2=836+38=4484-3+7=8854-7-4=4382-3-9=7063+9+4=7658+4+2=643+36=3978+5+2=8549+7+2=586+14=2060-2+3=6135+7-9=3364-2+6=6874-9=6598-6-70=2220+6=2666+8-4=7088-30+5=6349-3=4665-7+4=622+4+7=1362-3-7=5298-9+2=9171-5+9=758-7=175-5-6=6481-6+5=8051+4-2=5328+6-7=273+58=6135+4-7=3247-3-1=4390+3=9370+5-8=678+82=903+53=5684+2+4=903+82=8527-6+8=297+5=1273-2-5=6680+4+3=8749-6-3=4041+8=4911-4+3=1012-5+2=973-9+7=7181+6-2=8512+2=147+43=5099+1=1009+87=9645-3-5=375+28=3382-8-5=696+24=3064+30-6=887+2-4=594-30=642+58=6046+4=5017+3+9=2979-9=7060+1+5=6679-5-6=6810-9=155+4+8=6758+8-6=6057+5=6258+5-2=6114+2+80=9635-8+2=2913+80+5=983+32=3539-9-6=2415-8-5=23+6-9=069-5+2=6643+2-8=3730-2-3=2578+5-60=2344+5-40=95+62=6717+8-6=1993+1-5=8970+3+6=7973-8=6588+2=9066-3=6378+9=8733+9+7=4913-5=895-8-6=8125-6-5=142+85=8751-6+40=8553+3=5665+9-5=6998-6+2=946+66=7292+7-8=9162-7+2=5766+5=7179-70-6=345+7-9=4336+2+9=4770-9-8=5383-5+4=8275+8-5=7861-3+4=6282-2+5=8512-2-5=566+7=7349-4+9=5428+2+5=3550+9+7=6648+7+6=6177-8=6960+21=8122+6-9=1956+5-9=521+9=1079-5=7475+2-7=7035+3-8=302+31=3329+7+2=3833+4+20=5791-90=160-3-5=5264-5+3=6236+1+2=399-7+4=656+5-2=592+9-4=748+4+6=585+36=4194-6-9=7958-9-2=4720+71=9188-5+7=9069-5=6440-4-1=3579-3-20=565+40=4536+20+8=6459-8+20=717+4+20=314+8=1260-6-9=4565-6-7=523+83=8672+9=8166+2-6=6248-8-6=3430-9-8=135+77=8239+1-7=3345-5=4057+2+3=6287-7+1=8145-5-9=3133+6+9=4872-8=6423+4=2713-9=443-2=4114-2-5=753-6+3=5036+9+5=5013+2+20=3596-3+5=9878+3-4=7721-1-3=1760-2+6=6475+5-1=7954-6+2=5043+3-1=4558+7-3=6242+2+9=5335-4+8=3986+8=9421-3-7=1180-5=7548-4-8=3661-5-2=5424-5+6=2517-1=1647+2+9=586+84=9098-60=3827-20+2=976+4=8035+3-9=2945-8-7=3050+5=5590-4+7=9326+5+8=3976+4-3=7787-2+1=8618+7-2=2338-9=2922+3+6=3173-7=6639+3=4228-9+7=2653+2-9=4646+20+7=7370+20+2=9262+8=7089+5-7=874+95=9949-2+5=5273+9+6=8889+7+3=9926-9-7=1044-7+2=3937+50-8=7972-2+8=7828-4+3=2798-6-5=8750+26=7675-4=7193-4+2=9119-7-6=616+7+6=2948-10=3872+9-4=7780+8-6=8226+4=3092+8-9=9117-8+60=6995-4-6=8529-8-7=1414-7=792-10-5=7733+6-7=3279-70+7=1656+3+40=998+47=5543-2-3=3882+7+8=9796-8+2=9070-7+3=664+21=2559+9+5=7334-4+6=3635+6+8=496+25=3128+2-8=2232+9=412+52=5494-7-9=7874-40+9=439-6+4=741+1+2=4450-8+5=477+87=9465-4+3=6496+3-7=9280+9=8929+7-2=3418+8-4=2210+8=1879-1=787+26=3392+5-6=914+13=1748-3+5=5074-4+7=7781+5-1=8518-7-8=313+4=1710+7-8=916+4+3=233+38=4162+9=7135+5-6=348+26=3477+5-3=795-2=36+44=5054-5-8=413+94=9761-3+9=677+80+5=9217+5+3=2557+2-8=5117+4-9=1257+3=6026-8-5=135+44=4955-8-6=4131-7=2481-7=7463+2+1=6682+3+4=894+54=5852+7+5=6421+3-7=1723-9+3=1759-8-2=496+39=454+58=6284-6-2=7630-8+3=257+2=958-6=528+5+6=195+6=1138+60-4=9430-4+8=3458-6+3=5592-2+8=9834+3+6=4378+9+6=932+62=6415+5=209+8+6=2372-8-2=6278+3-6=7578+7-60=2527-4+9=3237-2+4=3942+30=7273-9+3=6734-3+30=6117-2+7=2246-6-4=366+59=6581+7+4=9213+6-5=1446-9+50=8762-8+7=6162-5+8=6517+80=9796-4+8=10047-5+2=4484-4+9=8961-6+4=5931+6-4=3374-9+5=7071+2-4=6948-7+3=4456-7=497+2-8=173-8+3=6820-7-5=870-3=6785-4+7=8886+8-5=8988+9-3=9445+3+7=552+3+40=4591+7-8=9043-7+2=3848-6+7=4973+3+2=7894-20=7491-8-5=782+98=1005+3+50=5860-3=5771-2=6952+9+8=6955-3=5232-9=2378+9-4=8387-3+2=8649+4=5392-4-9=7935-3-2=3024-9=1584-8=7651-5-2=4453+7-3=5714+6+7=2772-5=6729+8-5=3292+3+5=10068-8+9=6949+5+9=6345+8=5335+2=3730+3+2=3512+40-6=4631+9-5=357-6+3=411+6-4=1372-9-5=5868+2+8=7848+9=5767-8+9=6856+5=6179+2-4=7