文档文本内容
速算单项作业五
练习一：加、减、乘法
题干
求和
5369
9279
3874
7661
9616
4632
4286
1422
26183
19956
题干
561
-
357
782
-
136
933
-
321
854
-
795
204
646
612
59
题干
897
×
21.30%
575
×
6.80%
538
×
18.70%
809
×
15.10%
191.1
39.1
100.6
122.2
题干
784
×
7.60%
178
×
65.10%
577
×
25.60%
883
×
79.10%
59.6
115.9
147.7
698.5
练习二：除法拆分、分数大小比较
522
72.60%
712
95.06%
719
749
838
22.45%
246
4.57%
3733
5386
6671
230.59%
8915
93.58%
2893
9527
776
37.76%
399
4.37%
2055
9125
369
6.01%
9247
116.50%
6143
7937
577
70.11%
285
2.88%
823
9895
626
10.47%
457
8.94%
5981
5109
比较分数大小
①
339
<
318
②
558
>
991
2387
2103
5067
9559
③
486
<
598
④
890
<
831
6668
7671
2429
2142
练习三：假设分配/“415”份数法
题干
4366
7.60%
3718
9.50%
41597
8.10%
4058
308
3395
323
38480
3117
题干
39536
16.80%
80691
26.50%
90515
11.80%
33849
5687
63787
16904
80962
9553
题干
9465
40.20%
55371
51.20%
48382
31.30%
6751
2714
36621
18750
36848
11534
题干
2979
6.80%
4578
15.10%
32545
4.30%
2789
190
3977
601
31203
1342
题干
9817
-9.90%
17745
-7.10%
4162
-3.60%
10896
-1079
19101
-1356
4317
-155
