0.17加0.17乘6.25加2.75乘0.17的简便方法是?

2025-06-27 17:14:24
推荐回答(1个)
回答1:

0.17可以看成是0.17×1,然后提取公因数0.17,计算起来就比较简便了。
原式等于
0.17×1+0.17×6.25+2.75×0.17
=0.17×(1+6.25+2.75)
=0.17×10
=1.7