甲数是21,乙数是30,甲数比乙数少_%.
问题描述:
甲数是21,乙数是30,甲数比乙数少______%.
答
(30-21)÷30,
=9÷30,
=30%;
故答案为:30.
甲数是21,乙数是30,甲数比乙数少______%.
(30-21)÷30,
=9÷30,
=30%;
故答案为:30.