184020: 1567009: 6302050: 50060003: 2060800: 4302000: .
5÷8==40÷ = (填小数)
8:32= ÷8== %= 成 .
甲数除以乙数的商是,甲数和乙数的比是3:2. .(判断对错)
3÷ ==0.6=()%.
÷ ==== (填小数)