-÷+=________(-×)÷=________×++=________÷〔(-)×〕=________6×(+)-=________2-÷-=________-

发布时间:2020-08-07 17:49:16

-÷+=________
(-×)÷=________
×++=________
÷〔(-)×〕=________
6×(+)-=________
2-÷-=________
-(÷+)=________
〔2-(+)〕÷=________
1-(÷+)=________
÷+÷-=________
(1-÷)×=________
(-×)÷=________
〔-(-)〕÷=________
×〔1÷(+)〕=________
(×+)÷=________
÷5+÷+0.2=________
÷〔(-)÷〕=________
〔4-(-)〕÷=________
÷〔×(+)〕=________
3-×-=________
÷〔(-)×〕=________.

网友回答

                    1                                                29            
解析分析:根据题意,根据分数四则混合运算的计算即可.

解答:-÷+
=-+
=-+
=
=;
(-×)÷
=()×
=-
=5-
=;
×++
=++
=++
=1+
=;
÷[(-)×]
=÷[(-)×]
=÷[×]

=
=
=;
6×(+)-
=+-
=+
=
=
=;
2-÷-
=2-
=2-
=2-()
=2-1
=1;
-(÷+)
=-(+)
=-()
=
=1-
=;
[2-(+)]÷
=[2-()]÷
=[-]÷
=
=
=;
1-(÷+)
=1-(×+)
=1-()
=1-
=1-
=;
÷+÷-
=×+×-
=×(+-1)
=×1
=;
(1-÷)×
=(1-×)×
=(1-)×

=;
(-×)÷
=×(1-)×
=××
=;
[-(-)]÷
=[-(-)]÷
=[-+]÷

=
=;
×[1÷(+)]
=×[1÷(+)]
=×[1÷]
=×1×
=;
(×+)÷
=(×+)÷
=()×
=2×
=
=;
÷5+÷+0.2
=×+×+
=()
=
=;
÷[(-)÷]
=÷[()×]

=
=
=;
[4-(-)]÷
=[4-(-)]÷
=[4-]÷
=[4-]×8
=4×8-
=32-3
=29;
÷[×(+)]
=÷[×(+)]
=÷[×]

=
=
=;
3-×-
=3--
=3-(+)
=3-1
=2;
÷[(-)×]
=÷[(-)×]
=÷[×]

=×14
=1.

点评:根据分数的四则混合运算法则计算,能简便计算的要简便计算.
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