文档文本内容
速算单项作业十
练习一：加、减、乘法
题干
求和
8237
589
7012
8146
5481
2908
2747
658
23984
11794
题干
541
-
293
725
-
152
959
-
308
970
-
323
248
573
651
647
题干
697
×
7.10%
872
×
9.90%
721
×
8.20%
607
×
25.70%
49.5
86.3
59.1
156.0
题干
304
×
18.80%
494
×
78.60%
407
×
17.30%
540
×
65.40%
57.2
388.3
70.4
353.2
练习二：除法拆分、分数大小比较
195
25.83%
974
532.24%
755
183
951
60.84%
785
9.76%
1563
8045
9530
366.96%
2952
50.16%
2597
5885
232
3.76%
994
27.77%
6173
3579
409
21.38%
1459
18.56%
1913
7861
666
74.16%
155
1.71%
898
9059
851
32.63%
887
14.80%
2608
5994
比较分数大小
①
459
>
372
②
366
<
476
9737
8471
4776
5459
③
849
<
946
④
626
>
575
5724
6231
9261
8948
练习三：假设分配/“415”份数法
题干
9899
6.10%
4054
5.50%
27927
15.80%
9330
569
3843
211
24117
3810
题干
54183
9.30%
77967
17.90%
28701
11.90%
49573
4610
66130
11837
25649
3052
题干
6594
14.20%
90424
27.70%
87925
74.30%
5774
820
70810
19614
50445
37480
题干
63749
27.10%
2167
6.40%
18971
14.40%
50157
13592
2037
130
16583
2388
题干
7600
-4.10%
85033
-5.60%
6451
-12.70%
7925
-325
90077
-5044
7389
-938
