(3/7-1/34)×7-27/34简便
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/19 02:28:42
x){X^C}c{:Oq́oTO*;*jȢ 6XH&fa$Ab%@Mkc|o)r!B%!Ovt=ӏXd-R@1 z
M
(3/7-1/34)×7-27/34简便
(3/7-1/34)×7-27/34简便
(3/7-1/34)×7-27/34简便
(3/7-1/34)×7-27/34
=3/7*7-7/34-27/34
=3-(7/34+27/34)
=3-1
=2
(3/7-1/34)×7-27/34
=3-7/34-27/34
=3-(7/34+27/34)
=3-1
=2
(3/7-1/34)×7-27/34
=3/7*7-7/34-27/34
=3-(7/34+27/34)
=3-1
=2
(3/7-1/34)×7-27/34
=3/7×7-1/34×7-27/34
=3-7/34-27/34
=3-(7/34+27/34)
=3-1
=2
上式=3-7/34-27/34=3-(7/34+27/34)=3-1=2
(3/7-1/34)×7-27/34
=3/7×7-(1/34×7+27/34)
=3-1
=2