4.9×6.2+5.2×0.25的简便方法
答案:2 悬赏:60 手机版
解决时间 2021-03-06 23:23
- 提问者网友:末路
- 2021-03-06 11:06
4.9×6.2+5.2×0.25的简便方法
最佳答案
- 五星知识达人网友:春色三分
- 2021-03-06 11:18
4.9×6.2+5.2×0.25的简便方法
解:4.9×6.2+5.2×0.25=(5-0.1)×6.2+(5+0.2)×0.25=(5×6.2-0.1×6.2)+(5×0.25+0.2×0.25)=31-0.62+1.25+0.05=31+1.3-0.62=31+0.68=31.68
解:4.9×6.2+5.2×0.25=(5-0.1)×6.2+(5+0.2)×0.25=(5×6.2-0.1×6.2)+(5×0.25+0.2×0.25)=31-0.62+1.25+0.05=31+1.3-0.62=31+0.68=31.68
全部回答
- 1楼网友:蓝房子
- 2021-03-06 12:31
4.9×6.2+5.2×0.25的简便方法
4.9×6.2+5.2×0.25= 31.68
4.9×6.2+5.2×0.25=(5-0.1)*6.2+1.3*4*0.25
=5*6.2-0.1*6.2+1.3
=31+1.3-0.62=31.68
4.9×6.2+5.2×0.25= 31.68
4.9×6.2+5.2×0.25=(5-0.1)*6.2+1.3*4*0.25
=5*6.2-0.1*6.2+1.3
=31+1.3-0.62=31.68
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