Question

11/5-3/1+11/6=(11/5+11/6)-3/1=1-3/1=3/2 运用了什么律???

11/5-3/1+11/6

=(11/5+11/6)-3/1
=1-3/1
=3/2

Answer 1

是加法交换律和加法结合律

追问

也有减法
11/5 - 3/1 + 11/6
=( 11/5 + 11/6 ) - 3/1
=1 - 3/1
=3/2

追答

一样的

Answer 2

11/5-3/1+11/6
=(10+1)/5+(12-1)/6-3
=2+2-3+1/5-1/6
=1+1/30
=31/30或者1(1/30)