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
522 712
72.60% 95.06%
719 749
838 246
22.45% 4.57%
3733 5386
6671 8915
230.59% 93.58%
2893 9527
776 399
37.76% 4.37%
2055 9125
369 9247
6.01% 116.50%
6143 7937
577 285
70.11% 2.88%
823 9895
626 457
10.47% 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
