人教版四年级下册数学简便计算题270题A4打印版附答案.docx
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人教版四年级下册数学简便计算题270题A4打印版附答案
四年级下册数学简便计算题
第一类:
加
第二类:
减
400-256-44
517-53-47
284-159-41
258-42-16
545-167-145
478-47-178
344-(144+37)
236-(177+36)
第三类:
乘
45x4x5
23x5X2
25x9x4
8x(125x13)
250x125)x(4x8)
88x125
72x125
125x64x25
42x125x8x5
25x4x88x125
第四类:
乘
12+50)x40
125x(40-4)
76x103
18x125
25x4442x2599x9
99x78
第五类:
乘
28X225-2X225-6X225(42+25)X125+(18+15)X125
23X2X4+25X4X2+27X1X8+25X8X199X22+33X34
第六类:
除
360+4+9250-5-2600-12-5
800-5-8480-5-48240-5-12
420+35
2400-25
7800+12
第七类:
加减
92+99
197+102
354-108
405-99
127-98
323+189-123
248+86-48
672-36+64(6467-832)+(1832-1467)
1530+(592-530)-192(2+4+6+……+98+100)-(1+3+5+
+97+99)
第八类:
乘除
960X46+48
99000-121X113702X38+1234
640+(16+4)
1000+(125+4)
第九类:
加减乘除
(98+147)+49
230-23)+23(250-25)+25
1736+28+1064+28
125x(860+240+12)700+612+12x4
(37+15)X85+1360
2005x20062006-2006x20052005
42x125X8X5
25x4x88x125
(12+50)X40
125x(40-4)86x103
18x125
25x44
42x25
99x9
99x78
45x38+38x55
28X21+28X79
37X23-23X7
38X46+64X38
99X32+3246+46X59167X2+167X3+167X5
39X8+6X39-39X428X225-2X225-6X225
42+25)X125+(18+15)X12565+73+135357+288+143
272+68+28
129+235+171+165
17+145+23+35
400-256-44
517-53-47
284-159-41258-42-16
545-167-145
478-47-178
344-(144+37)
236-(177+36)
45X4X5
23X5X2
25x9X4
8X(125X13)
250x125)x(4x8)
88x12572x125
125x64x25
42x125x8x5
25x4x88x125
12+50)x40
125x(40-4)
76x103
18x125
25x44
42x2599x9
99x78
45x37+37x55
28x21+28x79
17x23-23x7
38x46+64x38
99x32+32
46+46x59
167x2+167x3+167x5
39x8+6x39-39x4
360岂书
250吒吃
800^5^8
240-5-12
420-35117+392+60888X27+27X12
87X53+87X47
7X75-7X25
234—66—34
528—53—47
435-(135+189)
167X25+32X25+25
38X99+38
147+147X99
25X(4+8)
108X75
35X20175X98
25X7X4
2X125X8X6
25X32X125
125X88
25X48
3500-4-25
420+35-2
30+255+70
282+41+159
88X27+27X12
6.3-1.8
125X64+125X36
64X199+64
528—53—47
158+395+105
4800-25(13X8X5X6)+(4X5X6)2.1X99+2.1
16800+120
0.18+4.26—0.18+4.268100+4+75
1248+24
3150+15
(10000-1000-100-10)+10
66.86—8.66—1.34
138+293+62+10799+999+9999+99999
8811-89
10-0.432-2.568
98X199
25x6.8X0.04
355+260+140+245102X99
2X125
645-180-245
125X3225X46
101X56
99X26
382X101-382
4X60X50X8
1022-478-422
63.4-2.5-0.4
2357-183-317-357
672-36+64
36+64-36+64
500-257-34-143
755-287+87
1814-378-422
89X99+893999+498
88X225+225X12
698-291-9
568-(68+178)
382+165+35-82
(375+1034)+(966+125)155+256+45-98
759-126-259
216+89+11
75X99+2X75
1050^15^7
7200^24^30219X9
(2130+783+270)+1017
58X101
76X10278X46+78X54169X123—23X169
129X101—129
56X51+56X48+56125X25X3224X25
514+189—214
732—254—332
56X25X4X125
24X74+26X24
228+(72+189)
109+(291—176)
参考答案
第一类:
加
65+73+135
=65+135+73
=273
129+235+171+165
=129+171+(235+165)
=700
6+7+8+102+103+104
272+68+28
=272+28+68
=368
999+99+9+3=999+1+(99+1)+(9+1)=1110
=102+8+(7+103)+(6+104)=9998+2+(99+1)+(998+1)+(9+1)
=330
=11110
第二类:
减
400-256-44
517-53-47
284-159-41
=400-(256+44)
=517-(53+47)
=284-(156+41)
=100
=417
=84
258-42-16
545-167-145
478-47-178
=258-(42+16)
=545-145-167=478-178-47
=200
=233
=233
344-(144+37)
236-(177+36)
=244-144-37
=236-36-177
=63
=23
第三类:
乘
45X4X5
23X5X2
25X9X4
=45X(4X5)
=23X(5X2)
=25X4X9
=90
=230
=900
8X(125X13)
(250X125)X(
4X8)88X125
=8X125X13
=125X8X(250X4)=8X125X11
=13000
=1000000
=11000
72X125
125X64X25
42X125X8X5
=8X125X9
=125X8X(25X8)
=42X5X(125X8)
=9000
=200000
=210000
25X4X88X125
=100X(8X125)
X11
=1100000
第四类:
乘
(12+50)X40
125X(40-4)
76X103
=12X40+50X40
=125X40-125X4=76X(100+3)
=880
=5400
=76X100+76X3=7828
18X125
25X44
42X2599X9
=(10+8)X125
=25X4X11
=2X25X21
=10X125+8X125=2250=110
=1050
99X78
=(100-1)X78
=100X78-1X78=7722
第五类:
乘
45X37+37X55
=37X+(45+55)
=3700
38X46+64X38
=38X(46+64)
=38X110
=38X(100+10)
=38X100+38X10
=4180
167X2+167X3+167X5
=167X(2+3+5)
=1670
28X225-2X225-6X225
=225X(28-2-6)
=4500
28X21+28X79
=28X(21+79)=2800
99X32+32
=32X(99+1)
=3200
17X23-23X7
=23X(17-7)
=230
46+46X59
=46X(59+1)
=2760
39X8+6X39-39X4
=39X(8+6-4)
=390
(42+25)X125+(18+15)X125
=125X(42+18+25+15)
=12500
23X2X4+25X4X2+27X1X8+25X8X1=8X(23+25+27)=600
=360-(4X9)
第六类:
除
=10
=25
=10
800-5-8
480-5-48
240-5-12
=800-8-5
=480-48-5
=240-12-5
=20
=2
=4
420-35
2400-25
7800-12
=420-7-5
=2400-5-5
=7800-6-2
=12
=96
=650
第七类:
加减
92+99
197+102
354-108
=92+(100-1)
=197+(100+2)
=354-(100+8)
=92+100-1
=197+100+2
=354-100-8
=191
=299
=246
405-99
127-98
323+189-123
=405-(100-1)
=127-(100-2)
=323-123+189
=405-100+1
=127-100+2
=389
=306
=29
248+86-48
672-36+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+……
=1530-530+(592-192)=(2-1)+(4-3)+…+(98-97)+(100-99)
=1400
=1+1+
..+1+1=50
=600-(12X5)
=250-(5X2)
+97+99)
第八类:
乘除
960X46-48
=960-48X46
=920
640-(16-4)
=640出6X4
=160第九类:
加减乘除
(98+147)-49
=98-49+147-49
=5
1736-28+1064-28
=(1736+1064)-28=100
(37+15)X85+1360=50X85+2X85+1360=4250+170+1360=5610+170=5780
42X125X8X5=125X8X(42X5)=210000
(12+50)X40=12X40+50X40=680
18X125
=(10+8)X125=125X10+125X8=2250
99X9
=(100-1)X9
=100X9-9
=91
28X21+28X79
=(21+79)X79
=7900
99000-121X113702X38-1234
=99000-(121-11)=1234XX38W234
=9000=114
1000-(125-4)
=1000-125X4
=32
(230-23)-23
=230-23-23-23
=9
(250-25)+25
=250-25-25+25
=9
125X(860+240+12)
=125X880
=125X8X110
=110000
700+612+12X4
=700+612+3+4X4
=700+204
=904
2005X20062006-2006X20052005
=2005X2006X10001-2006X2005X10001
=0
25X4X88X125
=100X11X(8X125)=1100000
125X(40-4)
=125X40-125X4=4500
86X103
=86X(100+3)
=86X100+86X3
99X32+32=(99+1)X32=3200
39X8+6X39-39X4
=(8+6-4)X39
=390
25X44
=25X4X11
=1100
99X78
=(100-1)X78
=78X100-78
=7722
37X23-23X7
=(37-7)X23
=690
46+46X59
=(59+1)X59
=3540
=8858
42X25
=2X25X21
=1050
45X38+38X55
=(45+55)X38
=3800
38X46+64X38
=(46+64)X38
=3800
167X2+167X3+167X5
=(2+3+5)X167
=1670
28X225-2X225-6X225
=(28-2-6)X225
=2500
42+25)X125+(18+15)X12565+73+135
357+288+143
=357+143+288
=12500
=273
=788
272+68+28
129+235+171+165
17+145+23+35
=272+28+68
=129+171+(235+165)
=17+23+(145+35)
=368
=700
=220
400-256-44
517-53-47
284-159-41258-4
=400-(256+44)
=517-(53+47)
=284-(159+41)
=100
=417
=84
545-167-145
478-47-178
344-(144+37)
=545-145-167
=478-178-47
=344-144-37
=233
=253
=163
236-(177+36)
45X4X5
23X5X2
=236-36-177
=45X(4X5)
=23X(5X2)
=23
=90
=230
25X9X4
8X(125X13)
(250X125)X(4X8)
=25X4X9
=8X125X13
=250X4X(125X8)
=900
=13000
=1000000
88X125
72X125
125X64X25
=11X(8X125)
=9X(8X125)
=125X8X(8X25)
=11000
=9000
=100000
42X125X8X5
25X4X88X
125
(12+50)X40
=42X5X(8X125)=100X11X(8X125)=12X40+50X40
=210000
=1100000
=2480
125X(40-4)
76X103
18X125
=125X40-125X4
=76X(100+3)
=(10+8)X125
=4500
=76X100+3X76
=10X125+8X125
=7828
=2250
25X44
42X25
99X9
99X78
=25X(40+4)
=(40+2)X25
=(100-1)X9=(100-1)
=25X40+25X4
=40X25+2X25
=9X100-9=7800-7
=1100
=1050
=891
=7722
45X37+37X55
28X21+28X79
17X23-23X7
=(45+55)X37
=(21+79)X79
=(17-7)X23
=3700
=7900
=230
38X46+64X38
99X32+32
46+46X59
=(46+64)X38
=(99+1)X32
=(59+1)X46
=110X38
=3200
=2760
=[(42+18)+(25+15)]
X125
=65+135+73
X78
=(10+100)X38
=38X10+38X100=4180
800弋充
528—53—47
435-(135+189)
167X25+32X25+25
=528-(53+47)
=435-135-189
=(167+32+1)X25
=428
=111
=5000
38X99+38
147+147X99
25X(4+8)
=(99+1)X38
=(99+1)X147
=25X4+8X25
=3800
=14700
=300
108X75
35X201
75X98
=(100+8)X75
=35X(200+1)
=75X(100-2)
=8100
=7035
=7350
25X7X4
2X125X8X6
25X32X125
=25X4X7
=2X6X(125X8)
=25X4X(8X125)
=700
=12000
=100000
125X88
25X48
3500-4-25
=25X8X11
=25X8X6
=3500-(4X25)
=11000
=600
=35
420-35-2
30+255+70
282+41+159
=420-(35X2)
=30+70+255
=282+(41+159)
=60
=355
=482
88X27+27X12
6.3-1.8
125X64+125X36
=(88+12)X27
=6.3-0.9-2=(64+36)X125
=2700
=3.5
=12500
64X199+64
528—53—47
158+395+105
=64X(199+1)
=528-(53+47)
=158+(395+105)
=12800
=428
=658
4800-25
(13X8X5X6)-(4X5X6)2.1X99+2.1
=48X100-25
=13X(8-4)X(5-5)
X(6-6)=2.1X(99+1)
=48X4
=26
=210
=192
16800-120
0.18+4.26-0.18+4.26
=4.26+4.26+(0.18-0.18)
=(81x100)+4-(25x3)
=(12000+4800)+120
=8.52
=81-3x(100-4-25)=140
1248-24
3150-15
(10000-1000-100-10)-10
=1248勻2吃
=3150为七
=10000W0-100040-10040-1040
=52
=210
=1000-(100+10+1)
=889
138+293+62+107
99+999+9999+99999
=138+62+(293+107)
=(99+1)
+(999+1)+(9999+1)+(99999+1)-4
=500
=111096
66.86-8.66-1.34
8811-8910
-0.432-2.56898X199
=66.88-(8.66+1.34)
=(8900-89)8^=10-(0.432+2.568)=98X(200-1)
=56.88
=99=7
=19502
25X6.8X0.04
355+260+140+245
102X992X125
=25X0.04X6.8
=355+245+(260+140)
=99X(100+2)=2X5X25
=6