问题
解答题
46.9-(6.9+2.8)=46.9-6.9+2.8=37.2______.
答案
46.9-(6.9+2.8)=46.9-6.9-2.8;
46.9-6.9-2.8≠46.9-6.9+2.8;
故答案为:×.
46.9-(6.9+2.8)=46.9-6.9+2.8=37.2______.
46.9-(6.9+2.8)=46.9-6.9-2.8;
46.9-6.9-2.8≠46.9-6.9+2.8;
故答案为:×.