把260÷5=52,470﹣210=260这两道算式改写成一道综合算式是 ,这个综合算式的结果是 .
12÷ =0.25= %= :24== (填成数)
9÷ == :8= (填小数)
20: = ÷20==0.8= %
==36÷ = (填小数)
18: =0.25= %= ÷24=.