A-A+
下面的计算对吗?把不对的改正过来.(对的打“√” 错的打“×”)75×5-3=75×2=14
问题详情
下面的计算对吗?把不对的改正过来.(对的打“√”,错的打“×”)
参考答案
(1)75×5-3=7-3=4;
(2)149×56+149×16=149×(56+16)=149×1=149;
故答案为:×,75×5-3=7-3=4;×,149×56+149×16=149×(56+16)=149×1=149.
考点:
下面的计算对吗?把不对的改正过来.(对的打“√”,错的打“×”)
(1)75×5-3=7-3=4;
(2)149×56+149×16=149×(56+16)=149×1=149;
故答案为:×,75×5-3=7-3=4;×,149×56+149×16=149×(56+16)=149×1=149.