由5个百,3个0.1和8个0.01组成的数是 .
× =+ = ÷= :5= ×0.35=1.
9: == ÷32=.
= ÷ = %= (小数)= : .
÷15=1.2: == %= (填成数).
: =0.75= ÷24=.