人教版四年级数学下册运算定律练习题114文档格式.docx
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____
940×
5+940×
5=940×
(____+____)
(57+18)×
c=____×
____+____×
二、下面各题怎样简便怎样计算。
35+17+5358+25+22
99×
5050×
(2+4)
225-33-67556+47-356
10×
22+78×
108900÷
2÷
50
165+54+94636+708+24
2000÷
4÷
2502×
29×
500
35+54+65+46180+470+230+220
32×
25199×
93+93
818-27-23-50853-253-55-45
202×
1425×
4416×
103
5+6+7+…+22+23+24
195×
78-95×
7885+9×
85
7+9+11+…+21+23+25
25-24+23-22+…+9-8+7-6
27+31+28+69+73
(87+26)+74=87+(____+____)
290+(610+24)=(290+____)+____
____+81=81+14
484-52-48=484〇(52+____)
74×
19=19×
20×
9×
8=20×
(9×
2×
(50×
979×
6+979×
4=979×
(88+29)×
a=____×
79+16+5472+56+28
45×
5020×
(5+10)
979-30-70922+28-322
52×
80+20×
522900÷
5÷
20
541+21+27949+394+11
50÷
2020×
47×
83+77+17+23180+240+660+520
72×
1259×
76+76
137-27-26-47898-298-44-56
302×
1825×
1611×
104
6+7+8+…+23+24+25
177×
31-77×
3193+99×
93
31-30+29-28+…+15-14+13-12
40+32+21+68+60
(86+37)+53=86+(____+____)
200+(800+84)=(200+____)+____
____+56=56+48
798-90-10=798〇(90+____)
83×
38=38×
90×
8×
6=90×
(8×
(5×
22)=(____×
399×
4+399×
6=399×
(37+21)×
29+19+6141+91+19
24×
4×
2520×
363-35-65554-74-354
37×
63+37×
371400÷
150+37+96332+266+18
4000÷
10÷
100200×
5
90+59+10+41220+10+690+380
40×
259×
89+89
565-13-24-63812-12-26-74
504×
1525×
4018×
202
117×
91-17×
9188+999×
88
8+10+12+…+22+24+26
50-49+48-47+…+34-33+32-31
26+59-23+41+74
(13+19)+61=13+(____+____)
200+(800+30)=(200+____)+____
____+60=60+42
611-37-63=611〇(37+____)
89×
39=39×
3×
6=10×
(3×
21)=(____×
848×
2+848×
8=848×
(95+52)×
b=____×
20+20+4047+51+23
54×
956-42-58720+68-620
66×
37+63×
669600÷
25÷
4
343+72+12830+197+20
8000÷
2050×
72×
45+71+55+29210+300+500+690
88×
99+99
495-26-23-51856-556-80-20
403×
1225×
1613×
304
7+8+9+…+24+25+26
156×
81-56×
8148+9×
48
9+11+13+…+23+25+27
49-48+47-46+…+33-32+31-30