问题
解答题
321-48+152=321-(48+152)______.
答案
321-48+152,
=273+152,
=425.
因此,321-48+152=321-(48+152)是错误的.
故答案为:×.
321-48+152=321-(48+152)______.
321-48+152,
=273+152,
=425.
因此,321-48+152=321-(48+152)是错误的.
故答案为:×.