简便计算：3.3×6.7＋0.67×67

分类: 作业答案 • 2022-07-28 11:07:47

问题描述：

答

3.3x6.7+0.67x67
=0.33x67+0.67x67
=（0.33+0.67）x67
=1x67
=67
因为3.3x6.7=22.11
0.67x67=47.89
22.11+44.89=67
所以....

答

3.3*6.7+0.67*67=3.3*6.7+6.7*6.7=6.7*（3.3+6.7）=6.7*10=67

答

3.3*6.7+0.67*67
=3.3*6.7+6.7*6.7
=（3.3+6.7）*6.7
=10*6.7
=67