四年级数学巧算练习题Word格式文档下载.docx
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四年级数学巧算练习题Word格式文档下载.docx
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19+848=737×
39+737=42×
6-12×
6=
87×
78-47×
78=95×
79-45×
79=187×
59+187=
72×
18-12×
18=598×
29+598=82×
16-62×
16=
91×
94-51×
94=88×
26-78×
26=85×
26-15×
26=
78×
14-48×
14=85×
95-25×
95=79×
29-9×
29=
36×
6-16×
6=35×
12-25×
12=42×
54-2×
22×
29-2×
29=90×
60-0×
60=66×
82-46×
82=
66×
19-36×
19=60×
83-20×
83=98×
18-28×
18=
98-34×
98=72×
5-52×
5=59×
17-29×
17=
12×
23-2×
23=71×
10-21×
10=74×
56-34×
56=
33×
8-3×
8=41×
82-11×
82=87×
65-47×
65=
82×
6-42×
6=85×
73-55×
73=60×
10-30×
10=
40×
73-10×
73=56×
83-16×
83=58×
29-48×
50-41×
50=13×
66-3×
66=71×
25-51×
25=
27-60×
27=75×
20-15×
20=96×
82-6×
32×
5-12×
5=93×
65-53×
65=87×
92-17×
92=
74×
60-34×
60=96×
45-76×
45=80×
76-30×
76=
979×
49+979=68×
78-28×
78=88×
21-68×
238×
29+238=98×
76-18×
76=73×
34-33×
34=
99×
24-89×
24=49×
47-9×
47=64×
5-34×
5=
98×
7-78×
7=76×
51-6×
51=78×
15-38×
15=
75×
37-45×
37=86×
6-36×
6=84×
45-64×
45=
89-47×
89=87×
99-77×
99=42×
59+42=
58-1×
58=72×
44-12×
44=67×
85-7×
77×
60-67×
60=97×
41-27×
41=57×
76-7×
30×
28-20×
28=71×
50-11×
50=81×
36-51×
36=
165×
39+165=97×
39-37×
39=53×
21-43×
85×
62-35×
62=79×
99-9×
99=95×
50-5×
50=
60×
7-30×
7=30×
8-10×
8=95×
32-85×
32=
35-19×
35=91×
12-21×
12=81×
6-51×
73-25×
73=21×
26-1×
26=82×
80-52×
80=
50×
11-0×
11=72×
34-2×
34=73×
82-3×
64×
14-24×
14=681×
89+681=894×
59+894=
58-22×
58=89×
87-39×
87=88×
23-8×
30-56×
30=70×
43-0×
43=84×
92-44×
47-20×
47=57×
65-27×
65=68×
90-48×
90=
31×
72-11×
72=75×
73-15×
73=95×
9-5×
9=
92-31×
92=63×
98-43×
98=833×
49+833=
60-16×
60=56×
25-46×
25=98×
26-28×
40-27×
40=87×
60-17×
60=12×
90-2×
21-26×
21=60×
90-10×
90=425×
59+425=
19-65×
19=80×
61-70×
61=86×
79-46×
79=
76×
91-46×
91=63×
94-3×
94=91×
8-31×
8=
79-44×
79=36×
2-6×
2=82×
78-19×
78=35×
49+35=97×
43-27×
43=
90×
98-0×
98=848×
89+848=79×
49-39×
49=
52×
19-22×
19=69×
29-29×
29=96×
97-46×
97=
78-89×
78=32×
25-12×
25=86×
20-46×
20=
55×
25-5×
25=82×
26-72×
26=65×
31-45×
31=
14-12×
10-35×
10=77×
21-7×
92×
71-62×
71=98×
15-78×
15=63×
65-13×
75-15×
75=48×
55-8×
55=96×
34-46×
80×
33-10×
33=43×
97-3×
97=95×
74-35×
74=
7-29×
7=79×
62-69×
62=739×
29+739=
34-35×
34=97×
63-57×
63=89×
68-49×
68=
88×
25-18×
25=50×
14-30×
14=73×
70-53×
70=
710×
79+710=87×
63-17×
63=92×
98-22×
98=
91-47×
91=82×
43-52×
43=49×
87=
94×
29-64×
29=99×
97-79×
97=16×
35-6×
35=
34-30×
34=88×
5-48×
5=94×
14-44×
14=
23-39×
23=41×
72=40×
8-0×
10-22×
10=46×
59-6×
59=36×
9-26×
68-18×
68=12×
9-2×
9=97×
15-17×
93×
96-3×
96=61×
42-41×
42=55×
57-35×
53×
67-3×
67=73×
36-33×
36=72×
88-2×
88=
83-47×
83=85×
64-45×
64=13×
89-7×
89=97×
5-17×
5=66×
62-6×
83×
98-33×
98=44×
85-34×
85=79×
72-19×
72=
28-57×
28=64×
99-44×
99=57×
36-7×
45-40×
45=90×
41-20×
41=72×
42-12×
32-22×
63-63×
63=
44×
53-4×
53=
56-40×
86×
60-6×
60=
13-63×
1-10×
1=
21-64×
16-45×
56×
19=
564×
89+564=
48×
99-8×
99=
87-16×
4-16×
4=
50-33×
6-20×
93-38×
93=
63×
80-53×
5-33×
51×
38-1×
38=
86-56×
95-30×
95=
92-32×
53-25×
67×
82-17×
10-16×
57×
66-7×
66=77×
23-57×
23=75×
18-15×
95-33×
95=75×
49-35×
49=55×
78-35×
78=
27-79×
27=92×
72-42×
72=48×
81-8×
81=
4-76×
4=59×
89-9×
89=95×
98-65×
21×
53-11×
53=73×
38-3×
38=52×
75-32×
75=
27-46×
27=84×
24-74×
24=67×
64-27×
64=
68-25×
68=62×
76-32×
76=90×
36-50×
24-59×
24=95×
64-75×
64=21×
14-1×
80-16×
80=80×
93-40×
93=64×
61-14×
61=
92-13×
92=98×
17-18×
17=67×
55-17×
55=
31-55×
31=33×
1-13×
1=98×
87-28×
73×
40-13×
40=57×
24-17×
24=94×
80-44×
47-42×
47=58×
93-8×
93=47×
8-27×
68×
64-38×
64=91×
38-51×
38=33×
10-23×
94-49×
94=87×
50-57×
50=21×
61-1×
68-46×
68=63×
74-43×
74=84×
12-54×
14-31×
14=51×
63-11×
63=61×
81-11×
376×
59+376=46×
86-16×
86=84×
42-74×
41-67×
41=23×
2-3×
59-22×
59=
33-72×
33=65×
70-35×
70=94×
35-44×
31-65×
31=939×
19+939=74×
60-14×
62×
74-42×
74=96×
98-56×
98=82×
98-52×
47-1×
47=86×
40-6×
40=79×
59-29×
47-50×
47=87×
10-17×
10=53×
62-3×
99-71×
99=71×
61-31×
61=49×
47-29×
47=
81×
86-41×
86=66×
94-36×
94=74×
21-4×
62=99×
14-29×
14=93×
19-3×
49-36×
49=60×
12-20×
12=58×
95-8×
23-40×
23=54×
19-34×
19=91×
74-51×
3-77×
3=74×
69-14×
69=67×
79-47×
69×
31-19×
31=86×
68-36×
68=99×
35-69×
26-20×
26=96×
12-46×
12=70×
73-0×
73=
1-29×
1=68×
25-38×
25=41×
39-31×
39=
92-1×
92=40×
26-30×
26=90×
55-60×
38-20×
38=462×
29+462=57×
69-37×
69=
8-54×
8=92×
41-12×
41=82×
9+82=
28×
98-8×
98=721×
69+721=91×
19-1×
21-25×
21=80×
99-20×
99=285×
19+285=
99-16×
99=253×
29+253=213×
89+213=
24×
28-4×
28=
985×
9+985=
211×
49+211=
40-52×
40=508×
19+508=701×
49+701=
67-6×
67=81×
99-11×
99=37×
1-7×
42×
898×
89+898=
846×
89+846=
7-11×
7=
884×
49+884=
598×
59+598=
31-58×
31=93×
54-13×
54=79×
21-19×
98-21×
29+52=
261×
29+261=
263×
19+263=
944×
9+944=
93-0×
388×
79+388=
79+70=
26×
39+26=
97-54×
19+60=
5-22×
344×
69+344=
137×
29+137=
19+44=
25-50×
301×
79+301=
595×
39+595=
311×
89+311=
25-25×
11×
49+11=
31-10×
91-55×
91=
44-27×
44=
37-13×
37=
610×
39+610=
36-64×
38-13×
35-21×
682×
29+682=
32-1×
32=88×
54-68×
54=503×
89+503=
854×
9+854=94×
92-4×
92=69×
21-49×
4-57×
4=353×
89+353=81×
57-41×
120×
49+120=72×
66-62×
66=533×
39+533=
15-55×
15=568×
19+568=383×
69+383=
932×
69+932=96×
65-36×
65=95×
59-35×
128×
69+128=63×
24-3×
24=636×
49+636=
97-59×
97=912×
69+912=76×
28-26×
573×
9+573=21×
62-11×
62=410×
69+410=
79+261=374×
9+374=81×
77-61×
296×
29+296=74×
17-44×
17=678×
49+678=
63-26×
63=639×
79+639=93×
85-53×
42-4×
42=95×
77-5×
77=66×
66-56×
66=
4-20×
4=65×
27-15×
27=43×
64-13×
55-2×
55=35×
10-15×
10=83×
434×
69+434=39×
89+39=650×
59+650=
652×
9+652=81×
3-31×
3=99×
74-39×
807×
19+807=380×
29+380=73×
4-33×
24-62×
24=89×
10-69×
10=639×
79+639=
31-31×
31=78×
1-18×
1=583×
49+583=
167×
89+167=946×
59+946=99×
56-19×
39-6×
39=80×
14-60×
14=70×
15-10×
2-8×
2=275×
59+275=702×
59+702=
791×
19+791=980×
49+980=820×
79+820=
61-77×
61=66×
27-16×
27=295×
29+295=
59+167=59×
47=91×
8-1×
84-11×
84=91×
85-11×
85=275×
9+275=
14-4×
14=409×
19+409=78×
3-68×
3=
915×
29+915=273×
9+273=337×
19+337=
994×
59+994=18×
69+18=49×
63-9×
4-5×
656×
79+656=
560×
49+560=
604×
49+604=60×
80-10×
80=96×
56-6×
45-38×
45=373×
39+373=98×
64-58×
768×
9+768=59×
42-19×
42=144×
59+144=
21-16×
21=71×
16-21×
16=92×
60-12×
950×
9+950=356×
29+356=73×
63-13×
41-24×
41=503×
69+503=97×
89+97=
26-61×
26=83×
43-13×
43=99×
14-59×
71-9×
71=551×
69+551=57×
40-7×
40=
548×
49+548=73×
47-13×
7-24×
65-38×
65=740×
29+740=963×
79+963=
239×
79+239=746×
69+746=441×
19+441=
693×
59+693=302×
49+302=76×
87-56×
692×
79+692=486×
49+486=833×
39+833=
97-36×
97=51×
64-41×
64=76×
98-26×
48-9×
48=66×
61-56×
61=94×
38-34×
2-37×
2=87×
10-47×
10=897×
19+897=
57-5×
57=94×
97-74×
97=99×
40-39×
138×
89+138=54×
31-4×
31=39×
723×
59+723=60×
39+60=63×
27-23×
27=
57-13×
57=68×
25-58×
25=95×
86-5×
20-22×
20=732×
29+732=31×
60-1×
971×
79+971=88×
34-68×
34=374×
29+374=
12-2×
29-38×
29=81×
12-31×
77-54×
77=44×
2-14×
2=41×
66-11×
699×
79+699=68×
33-8×
33=66×
46-56×
46=
968×
69+968=73×
88-23×
88=97×
69-17×
569×
79+569=98×
97-8×
97=87×
95-7×
89-33×
89=397×
59+397=61×
69-1×
99-25×
99=70×
26=34×
56-14×
48-34×
48=68×
27-28×
27=87×
94-27×
29+128=198×
19+198=35×
39-5×
9-48×
9=98×
6-88×
6=78×
3-8×
534×
39+534=79×
74-29×
81-56×
18-70×
18=876×
89+876=52×
50-32×
529×
89+529=35×
29+35=651×
49+651=
18-35×
18=72×
73-52×
73=40×
5-10×
71-36×
71=750×
29+750=66×
77-16×
43×
92-3×
92=857×
49+857=68×
14-5×
33-53×
33=88×
3-18×
46×
92-6×
92=193×
79+193=96×
68-16×
28-10×
28=641×
39+641=841×
59+841=
39+560=92×
69-2×
69=77×
34-17×
33-1×
33=55×
3-5×
3=97×
64-47×
48-24×
48=427×
49+427=82×
98-12×
45-11×
45=853×
39+853=966×
69+966=
64-6×
657×
69+657=
29+77=
561×
59+561=748×
49+748=519×
19+519=
27-26×
27=67×
72-17×
72=99×
92-19×
27-8×
27=98×
52-8×
52=88×
73-8×
53-20×
53=34×
67-24×
67=74×
98
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