2÷3的商是1v1i0B+o6J1Z3K-~6T2q)h.H0l)|小数，循环节是.e.f*g)m1H,Q，写作6N)|)n'v1y,}1d(^0d5^，结果精确到千分位约是4?'E9F。2m0n-_4D8S;O5i+?*M,[7B5`*\,G