两个数的商是1.5,被除数缩小10倍,除数扩大10倍,商不变. .(判断对错)
== :32=15÷ = (填小数)
=18: =0.6== %= 折.
÷6=6: =1.5= %
15÷ ===1=1.25.
2:5= ÷60= %= 小数.