问题
解答题
根据65×39=2535，在下面的括号里填上合适的数．你能想出几种填法？
25.35=______×______
=______×______
=______×______
=______×______
2.535=______×______
=______×______
=______×______
=______×______．
答案
25.35=6.5×3.9
=0.65×39
=0.065×390
=0.0065×3900
2.535=6.5×0.39
=0.65×3.9
=0.065×39
=65×0.039．
故答案为：6.5，3.9，0.65，39，0.065，390，0.0065，3900，6.5，0.39，0.65，3.9，0.065，39，65，0.039．