5.6+2/3

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/25 08:46:09
5.6+2/35.6+2/35.6+2/35.6+2/3=5(6/10)+2/3=5(3/5)+2/3=(5*5+3)/5+2/3=28/5+2/3=28*3/5*3+2*5/3*5=(28*3+2*

5.6+2/3
5.6+2/3

5.6+2/3
5.6+2/3
=5(6/10)+2/3
=5(3/5)+2/3
=(5*5+3)/5+2/3
=28/5+2/3
=28*3/5*3+2*5/3*5
=(28*3+2*5)/15
=(84+10)/15
=94/15

5.6+2/3=56/10+2/3=168/30+20/30=188/30再化简6 4/15

5.6+2/3=5+3/5+2/3=5+9/15+10/15=5+19/15=6+4/15=6(4/15)
即6又15分之4