圆柱的高是6厘米,和它体积相等,底面半径相等的圆锥的高是18厘米. .(判断对错)
= ÷60=3: = %= (小数).
0.375= %== ÷24=15: .
= ÷ = : = %= (小数)
0.75= :16== %.
5÷ = :16= %=0.625.