AB1公式说明(结果)2=ROUNDUP(3,2,0)将,3,2,向上舍入,小数位为,0,(4)3=ROUNDUP(76,9,0)将,76,9,向上舍入,小数位为,0,(77)4=ROUNDUP(3,14159,3)将,3,14159,向上舍入,保留三位小数,(3,142)5=ROUNDUP(-3,14159,1)将,-3,14159,向上舍入,保留一位小数,(-3,2)6=ROUNDUP(31415,92654,-2)将,31415,92654,向上舍入到小数点左侧两位,(31500)