甲数的5/12等于乙数的50%,甲数是乙数的_%,甲数比乙数多( )( ),乙数比甲数少( )( ).

问题描述:

甲数的

5
12
等于乙数的50%,甲数是乙数的______%,甲数比乙数多
(           )
(           )
,乙数比甲数少
(           )
(           )

设甲数是12,那么乙数就是:
12×

5
12
÷50%,
=5÷50%,
=10;
(1)12÷10=120%;
(2)(12-10)÷10,
=2÷10,
=
1
5

(3)(12-10)÷12,
=2÷12,
=
1
6

故答案为:120,
1
5
1
6