【单选题】7 / 8三次等精度观测 10.012、10.018、10.015(m),最或然值约为?A10.012 m10.012\,\mathrm{m}10.012mB10.015 m10.015\,\mathrm{m}10.015m正确C10.018 m10.018\,\mathrm{m}10.018mD10.000 m10.000\,\mathrm{m}10.000m参考答案B参考解析(10.012+10.018+10.015)/3=10.015 m(10.012+10.018+10.015)/3=10.015\,\mathrm{m}(10.012+10.018+10.015)/3=10.015m。