精确到十分位。6.976约等于:7.0
精确到十分位。6.976约等于7.0百分位是7,往个位进1 6.9+0.1=7.0
7精确到十分位要看百分数,数是6.97,0.07舍去,4舍5入进一,就是6.9+0.1=7
精确到十分位,6.976约等于7.0.
7.0