比较大小(填写“>”或“<”号)(1)﹣2.1 1 (2)﹣3.2 ﹣4.3.
÷24==24: = %= 小数.
=20: = %=2÷5= 成.
甲数和乙数的比是2:3,则甲占甲乙两数和的. .
13:2= ÷ = :4=39: .
12: =0.6==6÷ = %