1/820+1/1500
=75×1/75×820+41×1/41×1500
=75/61500+41/61500
=116/61500
如果不懂,请追问,祝学习愉快!
谁帮我算一下通分?1/820+1/1500＝116/61500这个是怎么通出来了,小学教的都忘了?知道的帮我列一下公式回
1/820+1/1500
=75×1/75×820+41×1/41×1500
=75/61500+41/61500
=116/61500
如果不懂,请追问,祝学习愉快!