题目<br>答案解析<br>查看更多优质解析<br>举报<br>氢氧根的化合价是-1,OH^-<br>碳酸根的化合价是-2,CO3^2-<br>硫酸根的化合价是-2,SO4^2-<br>硝酸根的化合价是-1,NO3^-<br>氨根的化合价是+1,NH4^+<br>它们人化合价与它们所带电荷数目相等,符号相同<br>解析看不懂?求助智能家教解答<br>查看解答<br>更多答案(2)
"用电脑登陆手机苹果账号即可,步骤如下:<br>1、首先电脑打开百度网站,输入“Apple官网”进行搜索,得到搜索结果后,点击打开官方网站。<br><img src=""https://iknow-pic.cdn.bcebos.com/d52a2834349b033b8df1b9ad1ace36d3d539bd48?x-bce-process=image/resize,m_lfit,w_600,h_800,limit_1/quality,q_85"" max-height=""200""><br>2、打开官方网站后,把页面拉到最下方,点击“iCloud""链接。<br><img src=""https://iknow-pic.cdn.bcebos.com/ae51f3deb48f8c5480cf805835292df5e0fe7fac?x-bce-process=image/resize,m_lfit,w_600,h_800,limit_1/quality,q_85"" max-height=""200""><br>3、打开页面后,在这里输入Apple ID,在这里输入密码,再点击箭头按钮。<br><img src=""https://iknow-pic.cdn.bcebos.com/0823dd54564e9258f428c3999382d158ccbf4eac?x-bce-process=image/resize,m_lfit,w_600,h_800,limit_1/quality,q_85"" max-height=""200""><br>4、点击后,就登录上站点了,Apple ID就登录成功了。<br><img src=""https://iknow-pic.cdn.bcebos.com/32fa828ba61ea8d3ce433173980a304e251f5867?x-bce-process=image/resize,m_lfit,w_600,h_800,limit_1/quality,q_85"" max-height=""200""><br>5、在这里可以看到和手机上的操作类似的。手机数据的查看和备份管理都可以在这里进行。<br><img src=""https://iknow-pic.cdn.bcebos.com/b7fd5266d0160924f444e76cdb0735fae6cd3467?x-bce-process=image/resize,m_lfit,w_600,h_800,limit_1/quality,q_85"" max-height=""200"">"