脱式计算
简便计算:6946÷23 9801÷99 999999×999996
45×53+55×55简便计算
答案:6 悬赏:0 手机版
解决时间 2021-03-09 22:34
- 提问者网友:缘字诀
- 2021-03-09 07:12
最佳答案
- 五星知识达人网友:深街酒徒
- 2021-03-09 07:23
(1)
45×53+55×55
=45×(55-2)+55×55
=45×55+55×55-45×2
=55×(45+55)-90
=5500-90
=5410
(2)
6946÷23
=(6900+46)÷23
=6900÷23+46÷23
=300+2
=302
(3)
9801÷99
=(9900-99)÷99
=9900÷99-99÷99
=100-1
=99
(4)
999999×999996
=(1000000-1)×999996
=999996000000-999996
=999995000004
45×53+55×55
=45×(55-2)+55×55
=45×55+55×55-45×2
=55×(45+55)-90
=5500-90
=5410
(2)
6946÷23
=(6900+46)÷23
=6900÷23+46÷23
=300+2
=302
(3)
9801÷99
=(9900-99)÷99
=9900÷99-99÷99
=100-1
=99
(4)
999999×999996
=(1000000-1)×999996
=999996000000-999996
=999995000004
全部回答
- 1楼网友:笑迎怀羞
- 2021-03-09 12:23
=(45+55)*55-45*2
=5500-90=5410
- 2楼网友:西岸风
- 2021-03-09 11:12
您好:
45×53+55×55
=45×53+53×55+2x55
=53x(45+55)+110
=53x100+110
=5300+110
=5410
6946÷23
=6900÷23+46÷23
=300+2
=302
9801÷99
=9801÷9÷11
=1089÷11
=(1100-11)÷11
=100-1
=99
999999×999996
=1000000x999996-999996
=999996000000-999996
=999995000004
如果本题有什么不明白可以追问,如果满意请点击“选为满意答案”
如果有其他问题请采纳本题后另发点击向我求助,答题不易,请谅解,谢谢。
祝学习进步!
- 3楼网友:七十二街
- 2021-03-09 10:13
45×53+55×55
=45×(55-2)+55×55
=45×55-90+55×55
=100×55-90=5500-90=5410
6946÷23=302
- 4楼网友:独行浪子会拥风
- 2021-03-09 10:00
45×53+55×55
=45×53+55×53+55×2
=100×53+55×2
=5300+110
=5410
6946÷23=(6900+46)÷23=300+2=302
9801÷99=(9900-99)÷99=99
999999×999996=(1000000-1)×999996=999995000004
- 5楼网友:从此江山别
- 2021-03-09 08:25
45×53+55×55
=45×53+55×﹙53+2﹚
=45×53+55×53+55×2
=53×﹙45+55﹚+110
=53×100+110
=5300+110
=5410
满意请采纳,谢谢!
我要举报
如以上问答信息为低俗、色情、不良、暴力、侵权、涉及违法等信息,可以点下面链接进行举报!
大家都在看
推荐资讯