67×0.38+6.3×6.7-0.67简便计算

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/19 05:09:39
67×0.38+6.3×6.7-0.67简便计算67×0.38+6.3×6.7-0.67简便计算67×0.38+6.3×6.7-0.67简便计算=6.7*3.8+6.3*6.7-6.7*0.1=(3.

67×0.38+6.3×6.7-0.67简便计算
67×0.38+6.3×6.7-0.67简便计算

67×0.38+6.3×6.7-0.67简便计算
=6.7*3.8+6.3*6.7-6.7*0.1=(3.8+6.3+0.1)*6.7=10*6.7=67

简便计算?

67乘以3.8+6.3乘以6.7-0.67

67×0.38+6.3×6.7-0.67
= 0.67×38+63×0.67-0.67
=0.67×(38+63-1)
0.67×100=67