Question

把下列各数填在相应的集合里：0.2,-3.14,6,-3分之4,-0.13循环,330,0,-5%,2又1/6,-12中

Answer 1

正数是{0.2,6,330,2又1/6,}

分数是{0.2,-3.14,-3分之4,-0.13循环,-5%,2又1/6,}

正整数是{6,330}

负整数是{-12}

正有理数是{0.2,6,330,2又1/6}

负有理数是{-3.14,-3分之4,-0.13循环,-5%,-12}

自然数是{6,330,0}