lyh12 - 2014/10/3 23:55:00
6、感量为0.1mg的天平称量质量为m的物品,电子天平显示数据为0.1752。根据规范要求保留0.01g,原始记录数据表达正确的是(z±(`E®÷bbs.3c3t.com9É< gwU
)g。z±(`E®÷bbs.3c3t.com9É< gwU
A、m=0.17 B、m=0.1752z±(`E®÷bbs.3c3t.com9É< gwU
C、m=0.175 D、m=0.18z±(`E®÷bbs.3c3t.com9É< gwU
常锋 - 2014/10/4 15:12:00
选择0.18z±(`E®÷bbs.3c3t.com9É< gwU
lomchong - 2014/10/4 18:16:00
修约为0.18gz±(`E®÷bbs.3c3t.com9É< gwU
mingfang - 2014/10/4 21:03:00
选择D; m=0.18gz±(`E®÷bbs.3c3t.com9É< gwU
wangzhilong1985 - 2014/10/8 8:56:00
选择答案D,z±(`E®÷bbs.3c3t.com9É< gwU
0.18gz±(`E®÷bbs.3c3t.com9É< gwU
858166661 - 2014/10/11 9:30:00
D、m=0.18z±(`E®÷bbs.3c3t.com9É< gwU
zhch9 - 2014/10/22 8:58:00
修约为0.18g:default5:z±(`E®÷bbs.3c3t.com9É< gwU