其它
Fill in the blank:~\uline{~~~~~~~~~~}~is $$3$$ tens $$7$$ ones less than $$4$$ tens $$6$$ ones. 
Overseas Competition->Knowledge Point->Calculation Modules
$$3$$ tens $$7$$ ones: $$37$$  $$4$$ tens $$6$$ ones: $$46$$  less than: $$46-37=9$$ 