运用运算律巧算的算法420题 - 口算练习题答案A4纸打印下载

耗时： 0分0秒
题数：
得分：

5 × 43 × 20 = 4300
5 × 10 × 80 = 4000
2 × 94 × 40 = 7520
3 × 91 × 10 = 2730
86 × 30 × 3 = 7740
7 × 44 × 10 = 3080
98 × 10 × 5 = 4900
38 × 20 × 2 = 1520
5 × 69 × 12 = 4140
39 × 10 × 2 = 780
51 × 10 × 6 = 3060
39 × 15 × 2 = 1170
5 × 31 × 80 = 12400
5 × 92 × 20 = 9200
15 × 15 × 2 = 450
3 × 47 × 30 = 4230
76 × 10 × 8 = 6080
21 × 14 × 5 = 1470
8 × 10 × 10 = 800
48 × 10 × 7 = 3360
81 × 18 × 5 = 7290
81 × 50 × 8 = 32400
6 × 48 × 50 = 14400
6 × 46 × 15 = 4140
65 × 50 × 6 = 19500
5 × 42 × 10 = 2100
3 × 13 × 30 = 1170
61 × 25 × 4 = 6100
50 × 30 × 3 = 4500
20 × 18 × 5 = 1800
69 × 10 × 3 = 2070
5 × 92 × 16 = 7360
35 × 20 × 4 = 2800
49 × 75 × 8 = 29400
4 × 44 × 25 = 4400
6 × 50 × 10 = 3000
76 × 10 × 3 = 2280
4 × 71 × 20 = 5680
3 × 25 × 10 = 750
78 × 45 × 2 = 7020
23 × 10 × 8 = 1840
6 × 15 × 10 = 900
2 × 66 × 30 = 3960
2 × 66 × 20 = 2640
5 × 49 × 40 = 9800
2 × 44 × 15 = 1320
54 × 50 × 6 = 16200
7 × 39 × 10 = 2730
81 × 45 × 2 = 7290
2 × 72 × 40 = 5760
86 × 15 × 4 = 5160
3 × 69 × 10 = 2070
91 × 40 × 2 = 7280
11 × 10 × 7 = 770
69 × 50 × 2 = 6900
2 × 61 × 30 = 3660
82 × 10 × 4 = 3280
5 × 78 × 10 = 3900
9 × 87 × 10 = 7830
5 × 57 × 80 = 22800
88 × 20 × 5 = 8800
5 × 31 × 14 = 2170
32 × 15 × 4 = 1920
5 × 44 × 80 = 17600
8 × 53 × 75 = 31800
5 × 22 × 12 = 1320
3 × 66 × 10 = 1980
2 × 77 × 30 = 4620
15 × 75 × 8 = 9000
51 × 30 × 3 = 4590
3 × 52 × 10 = 1560
5 × 58 × 60 = 17400
33 × 14 × 5 = 2310
5 × 29 × 10 = 1450
2 × 43 × 35 = 3010
8 × 18 × 10 = 1440
8 × 41 × 25 = 8200
8 × 38 × 50 = 15200
71 × 10 × 3 = 2130
75 × 50 × 8 = 30000
92 × 10 × 5 = 4600
69 × 16 × 5 = 5520
48 × 14 × 5 = 3360
2 × 61 × 25 = 3050
50 × 10 × 4 = 2000
4 × 93 × 10 = 3720
8 × 73 × 50 = 29200
30 × 14 × 5 = 2100
5 × 37 × 16 = 2960
79 × 20 × 2 = 3160
29 × 35 × 2 = 2030
2 × 25 × 40 = 2000
9 × 65 × 10 = 5850
76 × 10 × 6 = 4560
5 × 64 × 12 = 3840
40 × 40 × 5 = 8000
48 × 30 × 3 = 4320
30 × 30 × 3 = 2700
49 × 60 × 5 = 14700
2 × 11 × 35 = 770
60 × 40 × 2 = 4800
11 × 30 × 2 = 660
5 × 89 × 20 = 8900
4 × 92 × 50 = 18400
39 × 50 × 6 = 11700
8 × 74 × 25 = 14800
5 × 92 × 18 = 8280
23 × 40 × 2 = 1840
5 × 67 × 16 = 5360
5 × 85 × 16 = 6800
2 × 56 × 10 = 1120
31 × 20 × 5 = 3100
52 × 20 × 3 = 3120
5 × 16 × 12 = 960
4 × 86 × 25 = 8600
18 × 80 × 5 = 7200
5 × 83 × 14 = 5810
74 × 80 × 5 = 29600
31 × 60 × 5 = 9300
28 × 15 × 4 = 1680
24 × 10 × 6 = 1440
3 × 39 × 20 = 2340
4 × 15 × 10 = 600
56 × 20 × 4 = 4480
5 × 95 × 80 = 38000
5 × 77 × 40 = 15400
45 × 20 × 3 = 2700
5 × 32 × 80 = 12800
5 × 27 × 16 = 2160
6 × 73 × 15 = 6570
28 × 10 × 6 = 1680
2 × 44 × 10 = 880
23 × 15 × 2 = 690
57 × 80 × 5 = 22800
5 × 20 × 20 = 2000
63 × 15 × 2 = 1890
51 × 30 × 3 = 4590
2 × 81 × 40 = 6480
45 × 30 × 2 = 2700
33 × 50 × 2 = 3300
5 × 45 × 40 = 9000
2 × 96 × 20 = 3840
43 × 10 × 4 = 1720
67 × 20 × 4 = 5360
60 × 15 × 4 = 3600
2 × 31 × 40 = 2480
37 × 60 × 5 = 11100
79 × 16 × 5 = 6320
3 × 32 × 10 = 960
72 × 18 × 5 = 6480
2 × 48 × 25 = 2400
88 × 10 × 2 = 1760
84 × 25 × 2 = 4200
4 × 79 × 25 = 7900
86 × 10 × 3 = 2580
8 × 51 × 10 = 4080
3 × 19 × 10 = 570
2 × 54 × 10 = 1080
5 × 92 × 80 = 36800
4 × 27 × 75 = 8100
5 × 41 × 14 = 2870
6 × 19 × 10 = 1140
2 × 21 × 15 = 630
5 × 24 × 14 = 1680
4 × 26 × 20 = 2080
43 × 20 × 3 = 2580
71 × 10 × 2 = 1420
3 × 54 × 10 = 1620
5 × 12 × 10 = 600
2 × 45 × 40 = 3600
5 × 24 × 10 = 1200
44 × 40 × 5 = 8800
99 × 30 × 2 = 5940
2 × 10 × 15 = 300
4 × 35 × 15 = 2100
50 × 10 × 2 = 1000
2 × 91 × 30 = 5460
84 × 50 × 2 = 8400
8 × 48 × 50 = 19200
70 × 18 × 5 = 6300
6 × 85 × 50 = 25500
4 × 62 × 75 = 18600
5 × 94 × 14 = 6580
2 × 25 × 20 = 1000
99 × 30 × 3 = 8910
16 × 35 × 2 = 1120
51 × 75 × 4 = 15300
98 × 45 × 2 = 8820
38 × 75 × 8 = 22800
3 × 34 × 10 = 1020
39 × 15 × 6 = 3510
3 × 72 × 30 = 6480
38 × 50 × 8 = 15200
59 × 35 × 2 = 4130
8 × 75 × 25 = 15000
87 × 75 × 8 = 52200
5 × 19 × 60 = 5700
36 × 45 × 2 = 3240
2 × 25 × 20 = 1000
5 × 17 × 40 = 3400
87 × 10 × 8 = 6960
8 × 86 × 75 = 51600
12 × 50 × 8 = 4800
8 × 88 × 10 = 7040
79 × 30 × 3 = 7110
5 × 72 × 14 = 5040
3 × 84 × 10 = 2520
5 × 81 × 80 = 32400
56 × 75 × 4 = 16800
29 × 18 × 5 = 2610
8 × 32 × 50 = 12800
54 × 25 × 8 = 10800
6 × 63 × 50 = 18900
4 × 67 × 20 = 5360
2 × 99 × 45 = 8910
55 × 15 × 2 = 1650
21 × 40 × 5 = 4200
4 × 38 × 10 = 1520
2 × 21 × 10 = 420
12 × 40 × 2 = 960
40 × 30 × 2 = 2400
5 × 98 × 80 = 39200
33 × 10 × 6 = 1980
15 × 10 × 8 = 1200
12 × 80 × 5 = 4800
56 × 80 × 5 = 22400
59 × 10 × 5 = 2950
5 × 59 × 16 = 4720
8 × 83 × 75 = 49800
5 × 48 × 40 = 9600
39 × 50 × 4 = 7800
51 × 10 × 7 = 3570
34 × 50 × 8 = 13600
32 × 20 × 5 = 3200
8 × 21 × 75 = 12600
99 × 25 × 4 = 9900
4 × 63 × 75 = 18900
8 × 61 × 75 = 36600
4 × 99 × 10 = 3960
5 × 40 × 12 = 2400
26 × 16 × 5 = 2080
7 × 43 × 10 = 3010
15 × 15 × 4 = 900
5 × 54 × 12 = 3240
5 × 16 × 40 = 3200
83 × 80 × 5 = 33200
6 × 55 × 10 = 3300
2 × 87 × 40 = 6960
6 × 66 × 50 = 19800
17 × 25 × 2 = 850
2 × 42 × 15 = 1260
49 × 14 × 5 = 3430
69 × 50 × 4 = 13800
20 × 10 × 4 = 800
2 × 95 × 45 = 8550
92 × 50 × 8 = 36800
76 × 25 × 4 = 7600
5 × 69 × 20 = 6900
9 × 83 × 10 = 7470
70 × 16 × 5 = 5600
2 × 36 × 25 = 1800
3 × 75 × 30 = 6750
5 × 87 × 18 = 7830
74 × 10 × 2 = 1480
4 × 92 × 15 = 5520
65 × 20 × 3 = 3900
5 × 21 × 40 = 4200
88 × 10 × 5 = 4400
5 × 33 × 80 = 13200
40 × 10 × 2 = 800
42 × 75 × 8 = 25200
4 × 31 × 75 = 9300
7 × 83 × 10 = 5810
78 × 10 × 6 = 4680
8 × 18 × 10 = 1440
58 × 75 × 4 = 17400
25 × 15 × 6 = 2250
8 × 24 × 25 = 4800
4 × 68 × 20 = 5440
5 × 38 × 14 = 2660
5 × 82 × 14 = 5740
8 × 53 × 75 = 31800
48 × 18 × 5 = 4320
64 × 50 × 6 = 19200
38 × 15 × 4 = 2280
6 × 65 × 10 = 3900
5 × 51 × 18 = 4590
16 × 40 × 5 = 3200
83 × 45 × 2 = 7470
4 × 35 × 15 = 2100
37 × 50 × 6 = 11100
5 × 92 × 12 = 5520
25 × 20 × 2 = 1000
15 × 75 × 8 = 9000
89 × 10 × 3 = 2670
4 × 42 × 50 = 8400
2 × 26 × 45 = 2340
56 × 25 × 4 = 5600
6 × 83 × 10 = 4980
4 × 33 × 10 = 1320
30 × 15 × 4 = 1800
97 × 50 × 2 = 9700
2 × 87 × 30 = 5220
5 × 69 × 10 = 3450
6 × 18 × 15 = 1620
7 × 78 × 10 = 5460
56 × 50 × 8 = 22400
5 × 45 × 10 = 2250
3 × 70 × 10 = 2100
75 × 50 × 6 = 22500
6 × 67 × 10 = 4020
47 × 10 × 5 = 2350
95 × 10 × 4 = 3800
5 × 58 × 18 = 5220
90 × 30 × 3 = 8100
6 × 50 × 15 = 4500
8 × 58 × 50 = 23200
2 × 96 × 35 = 6720
8 × 30 × 75 = 18000
7 × 49 × 10 = 3430
36 × 80 × 5 = 14400
47 × 50 × 6 = 14100
35 × 45 × 2 = 3150
6 × 88 × 10 = 5280
27 × 20 × 3 = 1620
5 × 70 × 10 = 3500
36 × 35 × 2 = 2520
5 × 78 × 16 = 6240
8 × 80 × 25 = 16000
16 × 10 × 5 = 800
7 × 33 × 10 = 2310
78 × 15 × 4 = 4680
8 × 11 × 10 = 880
57 × 10 × 5 = 2850
5 × 60 × 80 = 24000
2 × 20 × 35 = 1400
5 × 73 × 80 = 29200
54 × 60 × 5 = 16200
40 × 30 × 3 = 3600
39 × 10 × 9 = 3510
8 × 48 × 10 = 3840
19 × 15 × 2 = 570
6 × 35 × 50 = 10500
82 × 50 × 8 = 32800
2 × 65 × 50 = 6500
53 × 10 × 6 = 3180
6 × 87 × 15 = 7830
12 × 14 × 5 = 840
92 × 10 × 6 = 5520
83 × 10 × 3 = 2490
51 × 15 × 2 = 1530
5 × 88 × 12 = 5280
5 × 70 × 16 = 5600
36 × 50 × 6 = 10800
6 × 31 × 10 = 1860
52 × 10 × 8 = 4160
3 × 41 × 10 = 1230
96 × 25 × 2 = 4800
86 × 16 × 5 = 6880
30 × 25 × 8 = 6000
6 × 15 × 15 = 1350
73 × 60 × 5 = 21900
94 × 10 × 8 = 7520
62 × 35 × 2 = 4340
6 × 70 × 50 = 21000
82 × 15 × 4 = 4920
64 × 75 × 8 = 38400
22 × 16 × 5 = 1760
96 × 45 × 2 = 8640
4 × 45 × 75 = 13500
3 × 27 × 30 = 2430
5 × 45 × 16 = 3600
85 × 50 × 6 = 25500
5 × 52 × 12 = 3120
84 × 10 × 5 = 4200
2 × 45 × 35 = 3150
5 × 77 × 16 = 6160
88 × 10 × 6 = 5280
2 × 56 × 25 = 2800
46 × 10 × 5 = 2300
5 × 34 × 14 = 2380
8 × 52 × 50 = 20800
7 × 23 × 10 = 1610
95 × 25 × 2 = 4750
22 × 75 × 8 = 13200
5 × 84 × 40 = 16800
3 × 67 × 10 = 2010
61 × 20 × 3 = 3660
52 × 20 × 3 = 3120
33 × 25 × 4 = 3300
68 × 10 × 5 = 3400
3 × 26 × 20 = 1560
2 × 51 × 15 = 1530
8 × 95 × 10 = 7600
8 × 86 × 50 = 34400
4 × 79 × 50 = 15800
2 × 81 × 25 = 4050
2 × 17 × 10 = 340
4 × 53 × 20 = 4240
59 × 20 × 3 = 3540
24 × 12 × 5 = 1440
4 × 58 × 15 = 3480
27 × 12 × 5 = 1620
26 × 10 × 4 = 1040
2 × 89 × 50 = 8900
70 × 10 × 3 = 2100
2 × 90 × 15 = 2700
9 × 27 × 10 = 2430
79 × 20 × 4 = 6320
86 × 50 × 4 = 17200
5 × 42 × 40 = 8400
51 × 10 × 7 = 3570
3 × 79 × 20 = 4740
32 × 50 × 6 = 9600
2 × 38 × 25 = 1900
57 × 10 × 6 = 3420
5 × 27 × 80 = 10800
8 × 57 × 75 = 34200
4 × 51 × 25 = 5100
2 × 42 × 15 = 1260

※总分：100分，共计：420道题，每题：0.24 分。