在放有8个白球和2个黑球的口袋中,随意摸一个球,摸到 球的可能性大.
÷12==0.75= : = 折= %
12÷ =0.25= %= :24== (填成数)
9÷ == :8= (填小数)
20: = ÷20==0.8= %
==36÷ = (填小数)