22X33十44X55十78X33十44X45用速算与巧算的方法
答案:4 悬赏:30 手机版
解决时间 2021-03-26 08:43
- 提问者网友:爱了却不能说
- 2021-03-25 14:40
22X33十44X55十78X33十44X45用速算与巧算的方法
最佳答案
- 五星知识达人网友:鱼芗
- 2021-03-25 15:59
22X33十44X55十78X33十44X45
=33x(22+78)+44x(55+45)乘法分配律
=33x100+44x100
=3300+4400
=7700
祝天天向上。
=33x(22+78)+44x(55+45)乘法分配律
=33x100+44x100
=3300+4400
=7700
祝天天向上。
全部回答
- 1楼网友:行雁书
- 2021-03-25 18:20
- 2楼网友:刀戟声无边
- 2021-03-25 18:01
22X33十44X55十78X33十44X45用速算与巧算的方法
=(22X33十78X33)+(44X55十44X45)
=(22+78)x33+44x(55+45)
=100x33+44x100
=3300+4400
=7700
=(22X33十78X33)+(44X55十44X45)
=(22+78)x33+44x(55+45)
=100x33+44x100
=3300+4400
=7700
- 3楼网友:独行浪子会拥风
- 2021-03-25 17:07
22X33十44X55十78X33十44X45
=(22X33十78X33)+(44X55十44X45)
=33X(22+78)+44X(55+45)
=33X100+44X100
=3300+4400
=7700
=(22X33十78X33)+(44X55十44X45)
=33X(22+78)+44X(55+45)
=33X100+44X100
=3300+4400
=7700
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