甲数的与乙数的和是60,甲数的正好等于乙数,甲、乙两数的和是 .
9÷ =0.75= :24= %= 折.
9÷ =0.75== :36= %
6÷ = /16=0.25= :4= %
25÷ =6: =0.5.
: == ÷20═ %