文档文本内容
速算单项作业一
练习一：加、减、乘法
题干
求和
2921
4645
7198
5066
1347
5992
8084
3539
19830
18962
题干
635
-
226
993
-
329
611
-
598
797
-
625
409
664
13
172
题干
855
×
11.50%
752
×
8.20%
236
×
12.20%
166
×
33.90%
98.3
61.7
28.8
56.3
题干
455
×
6.60%
776
×
20.80%
402
×
9.10%
815
×
62.40%
30.0
161.4
36.6
508.6
练习二：除法拆分、分数大小比较
711
105.33%
797
166.39%
675
479
108
1.60%
535
14.43%
6764
3708
3152
35.92%
3712
77.69%
8774
4778
707
14.74%
204
10.99%
4797
1856
278
4.86%
4955
344.58%
5716
1438
652
153.41%
298
5.15%
425
5785
256
3.86%
468
37.77%
6627
1239
比较分数大小
①
138
<
233
②
890
<
997
5399
7556
3307
3583
③
187
>
142
④
810
>
730
8928
7562
7097
6480
练习三：假设分配/“415”份数法
题干
9234
6.60%
7252
3.50%
56572
8.50%
8662
572
7007
245
52140
4432
题干
35475
5.10%
41968
9.90%
90648
11.30%
33754
1721
38187
3781
81445
9203
题干
9626
24.60%
41120
27.70%
88176
13.60%
7726
1900
32200
8920
77620
10556
题干
13463
52.80%
4537
12.50%
43179
39.20%
8811
4652
4033
504
31019
12160
题干
7242
-8.50%
26438
-5.30%
5306
-6.40%
7915
-673
27918
-1480
5669
-363
