问题
解答题
我会巧算:
191+192+193+194+195+196+197+198+199=195×______.
答案
191+192+193+194+195+196+197+198+199=195×9.
故答案为:9.
我会巧算:
191+192+193+194+195+196+197+198+199=195×______.
191+192+193+194+195+196+197+198+199=195×9.
故答案为:9.