5/6减括号,1/3+3/10括?
发布网友
发布时间:2022-04-30 11:14
我来回答
共3个回答
热心网友
时间:2022-06-21 15:10
5/6-(1/3+3/10)
=5/6-(10/30+9/30)
=25/30-19/30
=6/30
=1/5
或者,先去括号
5/6-(1/3+3/10)
=5/6-1/3-3/10
=5/6-2/6-3/10
=3/6-3/10
=1/2-3/10
=5/10-3/10
=2/10
=1/5
热心网友
时间:2022-06-21 15:11
根据题意列式:5/6-(1/3+3/10)
解:5/6-(1/3+3/10)
=5/6-(10+9)/30
=5/6-19/30
=25/30-19/30
=6/30
=1/5
热心网友
时间:2022-06-21 15:11
5/6-(1/3+3/10)
=5/6-19/30
=1/5