1)1245-945+2348=_____________________.
2)6503-2941+1828=-____________________.
3)5864-4154+2573=-____________________.
4)3678+2768-4427=_____________________.
5)2736-1584+1726=_____________________.
6)4854+1974-2099=________________________.
數學科6题急爆十分OK`
2007-08-29 7:11 am
回答 (7)
2007-08-29 6:48 pm
1)1245-945+2348= 300+2348 = 2648
2)6503-2941+1828= 3562+1828 = 5390
3)5864-4154+2573= 1710 +2573 = 4283
4)3678+2768-4427 = 6446 - 4427 = 2019
5)2736-1584+1726 = 1152+1726 = 2878
6)4854+1974-2099 = 6828 - 2099 = 4729
2)6503-2941+1828= 3562+1828 = 5390
3)5864-4154+2573= 1710 +2573 = 4283
4)3678+2768-4427 = 6446 - 4427 = 2019
5)2736-1584+1726 = 1152+1726 = 2878
6)4854+1974-2099 = 6828 - 2099 = 4729
2007-08-29 7:58 am
1)1245-945+2348= 300+2348 = 2648
2)6503-2941+1828= 3562+1828 = 5390
3)5864-4154+2573= 1710 +2573 = 4283
4)3678+2768-4427 = 6446 - 4427 = 2019
5)2736-1584+1726 = 1152+1726 = 2878
6)4854+1974-2099 = 6828 - 2099 = 4729
2)6503-2941+1828= 3562+1828 = 5390
3)5864-4154+2573= 1710 +2573 = 4283
4)3678+2768-4427 = 6446 - 4427 = 2019
5)2736-1584+1726 = 1152+1726 = 2878
6)4854+1974-2099 = 6828 - 2099 = 4729
2007-08-29 7:44 am
1)1245-945+2348= 300+2348 = 2648
2)6503-2941+1828= 3562+1828 = 5390
3)5864-4154+2573= 1710 +2573 = 4283
4)3678+2768-4427 = 6446 - 4427 = 2019
5)2736-1584+1726 = 1152+1726 = 2878
6)4854+1974-2099 = 6828 - 2099 = 4729
2)6503-2941+1828= 3562+1828 = 5390
3)5864-4154+2573= 1710 +2573 = 4283
4)3678+2768-4427 = 6446 - 4427 = 2019
5)2736-1584+1726 = 1152+1726 = 2878
6)4854+1974-2099 = 6828 - 2099 = 4729
2007-08-29 7:23 am
若只是一般的減法, 而不是想計速算的話,答案如下:
1)1245-945+2348= 300+2348=2648
2)6503-2941+1828= 3562+1828=5390
3)5864-4154+2573= 1710+2573=4283
4)3678+2768-4427= 6446-4427=2019
5)2736-1584+1726= 1152+1726=2878
6)4854+1974-2099= 6828-2099=4729
1)1245-945+2348= 300+2348=2648
2)6503-2941+1828= 3562+1828=5390
3)5864-4154+2573= 1710+2573=4283
4)3678+2768-4427= 6446-4427=2019
5)2736-1584+1726= 1152+1726=2878
6)4854+1974-2099= 6828-2099=4729
2007-08-29 7:21 am
1)1245-945+2348
=300+2348
=2648
2)6503-2941+1828
=3562+1828
=5390
3)5864-4154+2573
=1710+2573
=4283
4)3678+2768-4427
=6446-4427
=2019
5)2736-1584+1726
=1152+1726
=2878
6)4854+1974-2099
=6828-2099
=4729
=300+2348
=2648
2)6503-2941+1828
=3562+1828
=5390
3)5864-4154+2573
=1710+2573
=4283
4)3678+2768-4427
=6446-4427
=2019
5)2736-1584+1726
=1152+1726
=2878
6)4854+1974-2099
=6828-2099
=4729
參考: ME
2007-08-29 7:17 am
1*2648
2*5390
3*4283
4*2019
5*2878
6*4729
2*5390
3*4283
4*2019
5*2878
6*4729
2007-08-29 7:16 am
1)1245-945+2348= 300+2348 = 2648
2)6503-2941+1828= 3562+1828 = 5390
3)5864-4154+2573= 1710 +2573 = 4283
4)3678+2768-4427 = 6446 - 4427 = 2019
5)2736-1584+1726 = 1152+1726 = 2878
6)4854+1974-2099 = 6828 - 2099 = 4729
2)6503-2941+1828= 3562+1828 = 5390
3)5864-4154+2573= 1710 +2573 = 4283
4)3678+2768-4427 = 6446 - 4427 = 2019
5)2736-1584+1726 = 1152+1726 = 2878
6)4854+1974-2099 = 6828 - 2099 = 4729
收錄日期: 2021-04-23 22:31:05
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070828000051KK06500