文档内容
速算单项作业六
练习一:加、减、乘法
题干 求和 9662 4122 8346 2067 703 7796 4795 4684
24197 17978
题干 963 - 336 505 - 292 759 - 278 909 - 154
627 213 481 755
题干 528 × 17.50% 449 × 9.50% 193 × 5.40% 198 × 25.90%
92.4 42.7 10.4 51.3
题干 321 × 9.70% 252 × 5.90% 165 × 11.90% 947 × 59.90%
31.1 14.9 19.6 567.3
练习二:除法拆分、分数大小比较
788 534
99.12% 253.08%
795 211
782 882
12.54% 24.67%
6238 3575
7835 6151
106.34% 74.81%
7368 8222
622 898
11.57% 24.68%
5378 3639
113 5823
1.67% 323.68%
6784 1799
922 346
150.41% 7.72%
613 4481
322 826
4.18% 58.29%
7708 1417
比较分数大小
① 896 883 ② 976 831
< <
8096 7858 1362 1130
③ 321 361 ④ 130 158
< <
7511 8162 2493 2855练习三:假设分配/“415”份数法
题干 1787 6.40% 5959 7.40% 75881 5.10%
1680 107 5548 411 72199 3682
题干 77424 13.50% 68807 10.70% 86876 18.50%
68215 9209 62156 6651 73313 13563
题干 5831 34.60% 74798 61.30% 48009 17.50%
4332 1499 46372 28426 40859 7150
题干 45948 22.30% 6528 8.60% 14304 20.40%
37570 8378 6011 517 11880 2424
题干 8329 -1.70% 92364 -5.10% 4807 -6.20%
8473 -144 97328 -4964 5125 -318