请问“1/27+131313/272727+101010/272727”能简便运算吗?
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/25 09:13:06
请问“1/27+131313/272727+101010/272727”能简便运算吗?
![请问“1/27+131313/272727+101010/272727”能简便运算吗?](/uploads/image/z/17738425-1-5.jpg?t=%E8%AF%B7%E9%97%AE%E2%80%9C1%2F27%2B131313%2F272727%2B101010%2F272727%E2%80%9D%E8%83%BD%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%E5%90%97%3F)
可以,先使用"约分法"
1/27+131313/272727+101010/272727
=1/27+(13×10101)/(27×10101)+(10×10101)/(27×10101)
=1/27+13/27+10/27
=24/27=8/9
1/27+131313/272727+101010/272727
=1/27+(13×10101)/(27×10101)+(10×10101)/(27×10101)
=1/27+13/27+10/27
=24/27=8/9