四年级下册数学简便计算题Word文档下载推荐.docx
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2×
4+25×
2+27×
1×
8+25×
199×
22+33×
34
第六类:
除360÷
4÷
9250÷
5÷
2600÷
12÷
5
800÷
8480÷
48240÷
12
第八类:
乘除960×
46÷
4899000÷
121×
11
3702×
38÷
1234640÷
(16÷
4)1000÷
(125÷
4)
第九类:
加减乘除(98+147)÷
49(230-23)÷
23
(250-25)÷
251736÷
28+1064÷
28125×
(860+240÷
12)
700+612÷
12×
4(37+15)×
85+1360
2005×
20062006-2006×
2005200542×
25×
125(12+50)×
(40-4)
86×
10318×
25
99×
7845×
38+38×
7937×
738×
65+73+135357+288+143272+68+28
129+235+171+16517+145+23+35400-256-44
517-53-47284-159-41258-42-16545-167-145
478-47-178344-(144+37)236-(177+36)45×
23×
48×
13)
(250×
12572×
125×
(12+50)×
999×
7845×
55
7917×
738×
3899×
32+32
46+46×
59167×
539×
4
360÷
9250÷
5800÷
8
480÷
12420÷
35117+392+608
27+27×
1287×
53+87×
477×
75-7×
234―66―34528―53―47435-(135+189)
25+32×
25+2538×
99+38147+147×
99
(4+8)108×
7535×
20175×
98
7×
42×
625×
32×
8825×
483500÷
25420÷
35÷
2
30+255+70282+41+15988×
12
6.3÷
1.8125×
64+125×
3664×
199+64
528―53―47158+395+1054800÷
(13×
6)÷
6)2.1×
99+2.1
0.18+4.26-0.18+4.268100÷
7516800÷
120
1248÷
243150÷
15(10000-1000-100-10)÷
10
138+293+62+10799+999+9999+9999966.86-8.66-1.34
8811÷
8910-0.432-2.56898×
199
25×
6.8×
0.04355+260+140+245102×
992×
645-180-245125×
3225×
46101×
56
26382×
101-3824×
60×
50×
8
930÷
0.6÷
51022-478-42263.4÷
2.5÷
0.4
2357-183-317-357672-36+6436+64-36+64
500-257-34-143755-287+871814-378-422
89×
99+893999+49888×
225+225×
698-291-9568-(68+178)382+165+35-82
155+256+45-98759-126-259216+89+11
75×
99+2×
751050÷
15÷
77200÷
24÷
30
219×
9958×
10176×
10278×
46+78×
54
169×
123—23×
169129×
101—12956×
51+56×
48+56
3224×
25514+189—214732—254—332
56×
12524×
74+26×
24228+(72+189)
109+(291—176)(375+1034)+(966+125)(2130+783+270)+1017
参考答案第一类:
加
=65+135+73=357+143+288=272+28+68
=273=788=368
=129+171+(235+165)=17+23+(145+35)=999+1+(99+1)+(9+1)
=700=220=1110
=102+8+(7+103)+(6+104)=9998+2+(99+1)+(998+1)+(9+1)
=330=11110
减
400-256-44517-53-47284-159-41
=400-(256+44)=517-(53+47)=284-(156+41)
=100=417=84
=258-(42+16)=545-145-167=478-178-47
=200=233=233
=244-144-37=236-36-177
=63=23
乘45×
=45×
5)=23×
(5×
2)=25×
9
=90=230=900
=8×
13=125×
4)=8×
11
=13000=1000000=11000
9=125×
(25×
8)=42×
8)
=9000=200000=210000
125
=100×
(8×
125)×
11第四类:
乘
=1100000
=12×
40+50×
40=125×
40-125×
4=76×
(100+3)
=880=5400=76×
100+76×
3=7828
9
=(10+8)×
125=25×
11=2×
21
=10×
125+8×
125=2250=110=1050
=(100-1)×
78
78-1×
78=7722
45×
=37×
+(45+55)=28×
(21+79)=23×
(17-7)
=3700=2800=230
=38×
(46+64)=32×
(99+1)=46×
(59+1)
110=3200=2760
(100+10)
100+38×
10
=4180
=167×
(2+3+5)=39×
(8+6-4)
=1670=390
=225×
(28-2-6)=125×
(42+18+25+15)
=4500=12500
(23+25+27)=33×
(66+34)
=600=3300
除
360÷
=360÷
9)=250÷
2)=600÷
(12×
5)
=10=25=10
=800÷
8÷
5=480÷
48÷
5=240÷
5
=20=2=4
420÷
352400÷
257800÷
=420÷
7÷
5=2400÷
5=7800÷
6÷
2
=12=96=650
第七类:
加减
92+99197+102354-108
=92+(100-1)=197+(100+2)=354-(100+8)
=92+100-1=197+100+2=354-100-8
=191=299=246
405-99127-98323+189-123
=405-(100-1)=127-(100-2)=323-123+189
=405-100+1=127-100+2=389
=306=29
248+86-48672-36+64(6467-832)+(1832-1467)
=248-48+86=672-(36+64)=6467-1467+(1832-832)
=286=572=6000
1530+(592-530)-192(2+4+6+……+98+100)-(1+3+5+……+97+99)
=1530-530+(592-192)=(2-1)+(4-3)+…+(98-97)+(100-99)
=1400=1+1+...+1+1=50
乘除
960×
113702×
1234
=960÷
48×
46=99000÷
(121÷
11)=1234×
3×
1234
=920=9000=114
640÷
=640÷
16×
4=1000÷
4
=160=32
加减乘除
(98+147)÷
23(250-25)÷
=98÷
49+147÷
49=230÷
23-23÷
23=250÷
25-25÷
25
=5=9=9
1736÷
12)700+612÷
=(1736+1064)÷
28=125×
880=700+612÷
3÷
=100=125×
110=700+204
=110000=904
(37+15)×
85+13602005×
20052005
=50×
85+2×
85+1360=2005×
2006×
10001-2006×
2005×
10001
=4250+170+1360=0
=5610+170=5780
42×
=125×
(42×
5)=100×
11×
125)
=210000=1100000
(40-4)86×
4=86×
=680=4500=86×
100+86×
3
=8858
=(10+8)×
21
10+125×
8=1100=1050
=2250
55
9=(100-1)×
78=(45+55)×
38
9-9=78×
100-78=3800
=91=7722
38
=(21+79)×
79=(37-7)×
23=(46+64)×
=7900=690=3800
=(99+1)×
32=(59+1)×
59=(2+3+5)×
167
=3200=3540=1670
39×
428×
225
=(8+6-4)×
39=(28-2-6)×
225
=390=2500
(42+25)×
12565+73+135357+288+143
=[(42+18)+(25+15)]×
125=65+135+73=357+143+288
=12500=273=788
272+68+28129+235+171+16517+145+23+35
=272+28+68=129+171+(235+165)=17+23+(145+35)
=368=700=220
400-256-44517-53-47284-159-41258-42-16
=400-(256+44)=517-(53+47)=284-(159+41)
=100=417=84
545-167-145478-47-178344-(144+37)
=545-145-167=478-178-47=344-144-37
=233=253=163
236-(177+36)45×
=236-36-177=45×
2)
=23=90=230
8)
=25×
9=8×
13=250×
=900=13000=1000000
88×
=11×
125)=9×
125)=125×
25)
=11000=9000=100000
42×
40
=42×
125)=100×
125)=12×
40
=210000=1100000=2480
(100+3)=(10+8)×
=4500=76×
100+3×
76=10×
=7828=2250
25×
2599×
999×
(40+4)=(40+2)×
25=(100-1)×
40+25×
4=40×
25+2×
25=9×
100-9=7800-78
=1100=1050=891=7722
5528×
=(45+55)×
37=(21+79)×
79=(17-7)×
23
=3700=7900=230
32+3246+46×
=(46+64)×
38=(99+1)×
46
=110×
38=3200=2760
=(10+100)×
10+38×
100
4360÷
=(2+3+5)×
167=(8+6-4)×
39=360÷
9)
=1670=390=10
250÷
8480÷
48
=250÷
5)=800÷
=25=10=20=2
240÷
35117+392+60888×
=240÷
5=420÷
5=117+(392+608)=(88+12)×
27
=4=12=1117=2700
87×
25234―66―34
=(53+47)×
87=(75-25)×
7=234-34-66
=8700=350=134
528―53―47435-(135+189)167×
25+25
=528-(53+47)=435-135-189=(167+32+1)×
=428=111=5000
9925×
(4+8)
147=25×
4+8×
=3800=14700=300
108×
=(100+8)×
75=35×
(200+1)=75×
(100-2)
=8100=7035=7350
7=2×
6×
8)=25×
=700=12000=100000
11=25×
6=3500÷
=11000=600=35
420÷
230+255+70282+41+159
(35×
2)=30+70+255=282+(41+159)
=60=355=482
126.3÷
36
=(88+12)×
27=6.3÷
0.9÷
2=(64+36)×
=2700=3.5=12500
199+64528―53―47158+395+105
=64×
(199+1)=528-(53+47)=158+(395+105)
=12800=428=658
4800÷
25(13×
=48×
100÷
25=13×
(8÷
4)×
(5÷
5)×
(6÷
6)=2.1×
(99+1)
4=26=210
=192
0.18+4.26-0.18+4.268100÷
=4.26+4.26+(0.18-0.18)=(81x100)÷
(25x3)=(12000+4800)÷
=8.52=81÷
3x(100÷
25)=140
=1248÷
2=3150÷
3=10000÷
10-1000÷
10-100÷
10-10÷
=52=210=1000-(100+10+1)
=889
138+293+62+10799+999+9999+99999
=138+62+(293+107)=(99+1)+(999+1)+(9999+1)+(99999+1)-4
=500=111096
66.86-8.66-1.348811÷
199
=66.88-(8.66+1.34)=(8900-89)÷
89=10-(0.432+2.568)=98×
(200-1)
=56.88=99=7=19502
0.04×
6.8=355+245+(260+140)=99×
(100+2)=2×
=6.8=1000=10098=250
46
=645-245-180=125×
4=25×
(40+6)
=220=40001150
101×
5699×
101-382
=(100+1)×
56=(100-1)×
26=382×
(101-1)
=5656=2574=38200
8930÷
51022-478-422
=4×
(60×
8)=930÷
(0.6×
5)=1022-(478+422)
=96000=310=122
63.4÷
0.42357-183-317-357672-36+64
=63.4÷
(2.5×
0.4)=2357-357-(183+317)=672-36-36+36+64
=63.4=1500=(672-72)+(36+64)
=700
36+64-36+64500-257-34-143755-287+87
=(36-36)+(64+64)=500-(257+34)-143=755-(287-87)
=128=57=555
1814-378-42289×
99+893999+498
=1814-(378+422)=(99+1)×
8