二年级数学脱式计算题.docx
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二年级数学脱式计算题
二年级数学脱式计算题
一、
欧阳光明(2021.03.07)
二、脱式计算
77-46+3265-38+2679+19-5669-(39-23)
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(2+7)×8945-424819-805797-53748-352475-388
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(58-34)÷884-27+164+27-1699+(25-24)
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6×(2+6)453-158935-362 725-647 807-369842-379
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三、口算
24÷4=7+63=9×4=36÷6=9×7=56÷8=28+6=7×5=36+4=30÷5=21÷3=36÷4=18÷2=63÷7=9×6=
25+23=12+35=27+71=46+33=40÷8=63÷9=64÷8=38+16=45÷5=7÷1=72-40=47+8=14+85=61+27=170+20=
————————————————————————————————————————————————————————————————————————————
三、脱式计算
3×9×393+23+944×6+720÷4+5
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6×8+5345-178623-158480-324758-379 536+89
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(75-18)×777-76+3261-38+269×6+4
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10+5×4728-353972-85357-184 220-126168+240======
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三、口算
21+15=36+22=59+18=72+24=41-29=8×2=7+56=56÷7=12÷6=4×2=49÷7=6×9=56-30=35÷5=27+25=44-9=72+16=43+32=35-8=56÷7=21-7=7×3=8÷8=32÷4=80-9=7+56=56÷7=12÷6=4×2=
四、脱式计算
77-76+3261-38+2679+19-1618-36+2730+(23-29)945-424=819-805=797-53=748-352=475-388=
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(73-23-493-(39-23)71-(25-24)87-27+1699-46+32453-158= 935-362= 725-647= 807-369= 842-379=
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=====
三、口算
24÷4=7+63=9×4=36÷6=9×7=56÷8=28+6=7×5=36+4=30÷5=83-29=5×6=43-17=21+27=32÷8=
25+23=12+35=27+71=46+33=40÷8=63÷9=64÷8=38+16=45÷5=7÷1=5×9=7×7=73+16=60+300=10÷5=
————————————————————————————————————————————————————————————————————————————
五、脱式计算二、列竖式计算
59-36+29 94-29+96 30-(23-29)93-23+9471-(25-24)5778-27795778+27794581+37196000-57621436-754
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33-(39-23) 99-(25-24)99-96+3269-39+2687-27+16786+3246020-56473375-18687419-68596753-3869
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=====
三、口算
()×6=3042÷7=35-6=28÷7=()×8=489+46=9÷3=9÷9=58+32=80-28=9+46=9÷3=9÷9=58+32=80-28=9×9=46+10=65+40=81÷9=55-20=21÷3=36÷4=18÷2=63÷7=9×6=44-9=72+16=43+32=35-8=56÷7=
六、脱式计算二、列竖式计算
99+99-966×2+77×(45÷5)19+9×616÷2×7654+132=492-463=936-906=297+516=678-97=
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=====
(19+2)÷3(36÷4)+2732÷4+1629-4×242÷6×7 352-238=399+509=247+274=577+61=15+463=
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=====
三、口算
33+60=54÷6=40÷8=()×4=2061-13=72-40=47+8=14+85=61+27=170+20=83-29=5×6=43-17=21+27=32÷8
5×9=7×7=73+16=60+300=10÷5=15÷5=9×3=42-15=18÷9=180-60=25+23=12+35=27+71=46+33=40÷8=
————————————————————————————————————————————————————————————————————————————
七、脱式计算二、列竖式计算
30-(23+29)3+23+9493-(39-23) 99-(99-29)99-36+2988+368=495+189=308+312=642-269=645-61=
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=====
99-29+9655-46+2265-28+2658+18-5658-26+25691+290=146+2=409+445=27+782=158+725=
=====
=====
三、口算
83-29=5×6=43-17=21+27=32÷8=49÷7=6×9=56-30=35÷5=27+25=8×2=7+56=56÷7=12÷6=4×2=
30÷6=36÷4=64÷8=5÷1=15÷3=16÷8=42÷6=400+50=38+26=93-8=9×9=46+10=65+40=81÷9=55-20=
八、脱式计算二、列竖式计算
84-25+164+25-182+22+84 68-(28-22)18-26+25183+485=4235+111=201+481=884-549=156+239=
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88+(25-24)55-56+2261-28+2658+18-16 85-25+16326+216=255-32=210+239=161+437=977-948=
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=====
三、口算
24÷4=7+63=9×4=36÷6=9×7=56÷8=28+6=7×5=36+4=30÷5=72-40=47+8=14+85=61+27=170+20=
63÷9=64÷8=38+16=45÷5=7÷1=25+23=12+35=27+71=46+33=40÷8=49÷7=6×9=56-30=35÷5=27+25=
————————————————————————————————————————————————————————————————————————————
九、脱式计算二、列竖式计算
82-(28-22)51-(25-24)88-46+2265-28+2620+(22-28)348-287=134+392=233+759=146+674=656+148=
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88+88-5658-26+2884-28+8620-(42-28)52-22-4139+277=170+243=385+15=88+202=507+297=
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=====
三、口算
44-9=72+16=43+32=35-8=56÷7=21-7=7×3=8÷8=32÷4=80-9=30÷6=36÷4=64÷8=5÷1=15÷3=
21+15=36+22=59+18=72+24=41-29=8×2=7+56=56÷7=12÷6=4×2=49÷7=6×9=56-30=35÷5=27+25=
十、脱式计算二、列竖式计算
82-22+8422-(28-22)88-(25-24)88-86+2268-28+26807+97=345+476=241-152=652-525=314+71=
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(100-63)×838-(49-21)42÷(1+6)6×(5+4)88+88-86334+492=689-212=427+406=304+336=43+810=
=====
=====
三、口算
33+60=54÷6=40÷8=()×4=2061-13=5×9=7×7=73+16=60+300=10÷5=44-9=72+16=43+32=35-8=56÷7=
72-40=47+8=14+85=61+27=170+20=15÷5=9×3=42-15=18÷9=180-60=21-7=7×3=8÷8=32÷4=80-9=
————————————————————————————————————————————————————————————————————————————
十一、脱式计算二、列竖式计算
77-46+3263-38+2679+19-3676+72÷888-26+28441+426=722+218=904-213=946-85=585-385=
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=====
20-(22+28)22+22+84 82-(28-22)88+(88-28)88-28+86840-406=540-303=853-775=245-188=463-4=
=====
=====
三、口算
83-29=5×6=43-17=21+27=32÷8=16÷8=42÷6=400+50=38+26=93-8=56÷8=28+6=7×5=36+4=30÷5=
30÷6=36÷4=64÷8=5÷1=15÷3=49÷7=6×9=56-30=35÷5=27+25=21+15=36+22=59+18=72+24=41-29=
十二、脱式计算二、列竖式计算
6+8×4(6+2)×7(40-28)÷6(42+30)×277-76+321000-239=634-491=861-342=785-198=139+508=
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5×3+99×8+308×7+306×8+661-38+26391+752=752-101=527+812=241+466=694+577=
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=====
三、口算
24÷4=7+63=9×4=36÷6=9×7=25+23=12+35=27+71=46+33=40÷8=83-29=5×6=43-17=21+27=32÷8=
56÷8=28+6=7×5=36+4=30÷5=63÷9=64÷8=38+16=45÷5=7÷1=63÷9=64÷8=38+16=45÷5=7÷1=
————————————————————————————————————————————————————————————————————————————
十三、脱式计算二、列竖式计算
(66-50)÷236÷(2+4)38-36+2784-27+1679+19-16972+743=865-248=741+171=480+217=470-336=
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=====
4+27-1693+23+9469-(39-23) 99+(23-24)18-36+27407-136=988-960=835-80=306-240=595-42=
=====
=====
三、口算
21+15=36+22=59+18=72+24=41-29=21-7=7×3=8÷8=32÷4=80-9=8×2=7+56=56÷7=12÷6=4×2=
9×9=46+10=65+40=81÷9=55-20=44-9=72+16=43+32=35-8=56÷7=8×2=7+56=56÷7=12÷6=4×2=
十四、脱式计算二、列竖式计算
73-23-487-27+16 93-(39-23)71-(23-24)99-(23-24)691+290=146+2=712-131=27+782=409+445=
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30+(23-29)73-23-4 93-(39-23)71-(23-24)99-96+32362+240=158+725=327+323=201+481=235+111=
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=====
三、口算
()×6=3042÷7=35-6=28÷7=()×8=489×9=46+10=65+40=81÷9=55-20=72-40=47+8=14+85=61+27=170+20=
21÷3=36÷4=18÷2=63÷7=9×6=9+46=9÷3=9÷9=58+32=80-28=15÷5=9×3=42-15=18÷9=180-60=
————————————————————————————————————————————————————————————————————————————
十五、脱式计算二、列竖式计算
(66-50)÷236÷(2+4)38-36+2784-27+1679+19-1622+567=375+241=262+297=642-269=201+308=
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4+27-1693+23+9469-(39-23)99+(23-24)18-36+2776+587=308+312=495+189=88+368= 645-61=
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三、口算
33+60=54÷6=40÷8=()×4=2061-13=5×9=7×7=73+16=60+300=10÷5=9+46=9÷3=9÷9=58+32=80-28=
15÷5=9×3=42-15=18÷9=180-60=72-40=47+8=14+85=61+27=170+20=5×9=7×7=73+16=60+300=10÷5=
十六、脱式计算二、列竖式计算
80-(19+42)(21+15)÷964+8×281÷9×6(39-30)×6975-368=493-215=465-360=543-130=974-905=
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(79-23)÷8(4+5)×681÷9×654+9×28×7-55482-56= 644-21= 949-621= 725-613= 842-379=
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三、口算
83-29=5×6=43-17=21+27=32÷8=49÷7=6×9=56-30=35÷5=27+25=5×9=7×7=73+16=60+300=10÷5=
30÷6=36÷4=64÷8=5÷1=15÷3=16÷8=42÷6=400+50=38+26=93-8=16÷8=42÷6=400+50=38+26=93-8=
————————————————————————————————————————————————————————————————————————————
十七、脱式计算二、列竖式计算
90-2×956-1×6(85-31)+5964÷(24-16)48-24÷3550-236=395-33=800-72= 989-369= 762-545=
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12÷4+757×5+186×6+2723+6×8(33+49)-68543-81= 874-327=561-531= 669-15=846-356=
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三、口算
18-5=
18+7=
30-3=
30-4=
24-1=
5+37=
4+42=
49-8=
12+3=
34-2=
49-6=
12+13=
15-5=
30+3=
9+28=
27+15=
36+5=
3+6=
35-1=
5+37=
25+18=
44+3=
25+5=
8+7=
38+12=
24+26=
1+22=
14-7=
17+3=
34+10=
十八、脱式计算二、列竖式计算
180-(19+142)(30+15)÷964+8×681÷9×7(34-30)×6487-358=395-266=166+262=696+266=487-358=
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(79-7)÷8(4+5)×681÷9×767+7×28×8-55494+264= 859+583= 432+316= 74+273= 999-921=
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三、口算
15+34=
2+44=
25+4=
40+9=
22+18=
12+22=
3+43=
46-7=
13+35=
42+4=
12+22=
3+43=
46-7=
13+35=
42+4=
26+11=
5+23=
35+14=
25+5=
9+15=
44-4=
27+20=
30-6=
21-1=
36-4=
18-5=
18+7=
30-3=
30-4=
24-1=
————————————————————————————————————————————————————————————————————————————
十九、脱式计算二、列竖式计算
90-5×956-4×646+4×431-3×24×7+46689-143=460-56=502-214= 909-503= 630-8=
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53-1×968+2×82×9+636×8-296×3+66760-500= 844-207=711-604= 395+474=989-957=
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三、口算
24+26=
1+22=
14-7=
17+3=
34+10=
49-6=
12+13=
15-5=
30+3=
9+28=
5+37=
4+42=
49-8=
12+3=
34-2=
42+8=
11+36=
1+39=
11-9=
19+22=
34-2=
26+13=
8+6=
18-3=
3+14=
42+8=
11+36=
1+39=
11-9=
19+22=
二十、脱式计算二、列竖式计算
80-(19+42)(21+15)÷964+8×281÷9×6(39-30)×6975-368=493-215=465-360=543-130=974-905=
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=====
(79-23)÷8(4+5)×681÷9×654+9×28×7-55482-56= 644-21= 949-621= 725-613= 842-379=
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三、口算
15+34=
2+44=
25+4=
40+9=
22+18=
12+22=
3+43=
46-7=
13+35=
42+4=
12+22=
3+43=
46-7=
13+35=
42+4=
26+11=
5+23=
35+14=
25+5=
9+15=
44-4=
27+20=
30-6=
21-1=
36-4=
18-5=
18+7=
30-3=
30-4=
24-1=
————————————————————————————————————————————————————————————————————————————
二十一、脱式计算二、列竖式计算
90-9×956-6×6(85-31)÷964÷(24-16)48-24÷3550-236=395-33=800-72= 989-369= 762-545=
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=====
4+27-1693+23+9469-(39-23) 99+(23-24)18-36+27407-136=988-960=835-80=306-240=595-42=
=====
=====
三、口算
24+26=
1+22=
14-7=
17+3=
34+10=
49-6=
12+13=
15-5=
30+3=
9+28=
5+37=
4+42=
49-8=
12+3=
34-2=
42+8=
11+36=
1+39=
11-9=
19+22=
34-2=
26+13=
8+6=
18-3=
3+14=
42+8=
11+36=
1+39=
11-9=
19+22=
脱式计算二、列竖式计算
6+8×4(6+2)×7(40-28)÷6(42+30)×277-76+321000-239=