(1)两个最小的两位数的积是100. (2)已知单价和数量可以求总价. .
18: ==0.6=6÷ = %
:16=0.75== %
3÷8=15: = %= 折.
如果<7: <,那么括号里应填的整数是 .
0.375== ÷16= :8= %