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计算:-7+(+2)=,-5-5=,-20011017×0=,(-25)×(+1.2)=,(-125)×(-549)=1717,(-217)÷(-514)=,(-1)÷(+35)=-53-53,16÷(-2.5)=-115-115.
题目详情
计算:-7+(+2)=______,-5-5=______,-2001
×0=______,(-25)×(+1.2)=______,(-1
)×(-
)=
,(-2
)÷(-
)=______,(-1)÷(+
)=
÷(-2.5)=
×0=______,(-25)×(+1.2)=______,(-1
)×(-
)=
,(-2
)÷(-
)=______,(-1)÷(+
)=
÷(-2.5)=
10 10 17 17
)×(-
)=
,(-2
)÷(-
)=______,(-1)÷(+
)=
÷(-2.5)=
2 2 5 5
)=
,(-2
)÷(-
)=______,(-1)÷(+
)=
÷(-2.5)=
5 5 49 49
1 1 7 7
1 1 7 7
)÷(-
)=______,(-1)÷(+
)=
÷(-2.5)=
1 1 7 7
)=______,(-1)÷(+
)=
÷(-2.5)=
5 5 14 14
)=
÷(-2.5)=
3 3 5 5
5 5 3 3
5 5 3 3
÷(-2.5)=
1 1 6 6
1 1 15 15
1 1 15 15
10 |
17 |
2 |
5 |
5 |
49 |
1 |
7 |
1 |
7 |
1 |
7 |
5 |
14 |
3 |
5 |
-
5 |
3 |
-
,5 |
3 |
1 |
6 |
-
1 |
15 |
-
.1 |
15 |
10 |
17 |
2 |
5 |
5 |
49 |
1 |
7 |
1 |
7 |
1 |
7 |
5 |
14 |
3 |
5 |
-
5 |
3 |
-
,5 |
3 |
1 |
6 |
-
1 |
15 |
-
.1 |
15 |
10 |
17 |
2 |
5 |
5 |
49 |
1 |
7 |
1 |
7 |
1 |
7 |
5 |
14 |
3 |
5 |
-
5 |
3 |
-
,5 |
3 |
1 |
6 |
-
1 |
15 |
-
.1 |
15 |
2 |
5 |
5 |
49 |
1 |
7 |
1 |
7 |
1 |
7 |
5 |
14 |
3 |
5 |
-
5 |
3 |
-
,5 |
3 |
1 |
6 |
-
1 |
15 |
-
.1 |
15 |
5 |
49 |
1 |
7 |
1 |
7 |
1 |
7 |
1 |
7 |
1 |
7 |
1 |
7 |
1 |
7 |
5 |
14 |
3 |
5 |
-
5 |
3 |
-
,5 |
3 |
1 |
6 |
-
1 |
15 |
-
.1 |
15 |
1 |
7 |
5 |
14 |
3 |
5 |
-
5 |
3 |
-
,5 |
3 |
1 |
6 |
-
1 |
15 |
-
.1 |
15 |
5 |
14 |
3 |
5 |
-
5 |
3 |
-
,5 |
3 |
1 |
6 |
-
1 |
15 |
-
.1 |
15 |
3 |
5 |
-
5 |
3 |
5 |
3 |
5 |
3 |
-
5 |
3 |
5 |
3 |
5 |
3 |
1 |
6 |
-
1 |
15 |
-
.1 |
15 |
1 |
6 |
-
1 |
15 |
1 |
15 |
1 |
15 |
-
1 |
15 |
1 |
15 |
1 |
15 |
▼优质解答
答案和解析
-7+(+2)=-7+2=-5;
-5-5=-10;
-2001
×0=0;
(-25)×(+1.2)=25×1.2=-30;
(-1
)×(-
)=−
×(−
)=
;
(-2
)÷(-
)=−
×(−
)=6;
(-1)÷(+
)=-1×
=-
;
÷(-2.5)=−
×
=-
.
10 10 1017 17 17×0=0;
(-25)×(+1.2)=25×1.2=-30;
(-1
)×(-
)=−
×(−
)=
;
(-2
)÷(-
)=−
×(−
)=6;
(-1)÷(+
)=-1×
=-
;
÷(-2.5)=−
×
=-
.
2 2 25 5 5)×(-
)=−
×(−
)=
;
(-2
)÷(-
)=−
×(−
)=6;
(-1)÷(+
)=-1×
=-
;
÷(-2.5)=−
×
=-
.
5 5 549 49 49)=−
×(−
)=
;
(-2
)÷(-
)=−
×(−
)=6;
(-1)÷(+
)=-1×
=-
;
÷(-2.5)=−
×
=-
. −
7 7 75 5 5×(−
)=
;
(-2
)÷(-
)=−
×(−
)=6;
(-1)÷(+
)=-1×
=-
;
÷(-2.5)=−
×
=-
. (−
5 5 549 49 49)=
;
(-2
)÷(-
)=−
×(−
)=6;
(-1)÷(+
)=-1×
=-
;
÷(-2.5)=−
×
=-
.
1 1 17 7 7;
(-2
)÷(-
)=−
×(−
)=6;
(-1)÷(+
)=-1×
=-
;
÷(-2.5)=−
×
=-
.
1 1 17 7 7)÷(-
)=−
×(−
)=6;
(-1)÷(+
)=-1×
=-
;
÷(-2.5)=−
×
=-
.
5 5 514 14 14)=−
×(−
)=6;
(-1)÷(+
)=-1×
=-
;
÷(-2.5)=−
×
=-
. −
15 15 157 7 7×(−
)=6;
(-1)÷(+
)=-1×
=-
;
÷(-2.5)=−
×
=-
. (−
14 14 145 5 5)=6;
(-1)÷(+
)=-1×
=-
;
÷(-2.5)=−
×
=-
.
3 3 35 5 5)=-1×
=-
;
÷(-2.5)=−
×
=-
.
5 5 53 3 3=-
;
÷(-2.5)=−
×
=-
.
5 5 53 3 3;
÷(-2.5)=−
×
=-
.
1 1 16 6 6÷(-2.5)=−
×
=-
. −
1 1 16 6 6×
2 2 25 5 5=-
.
1 1 115 15 15.
-5-5=-10;
-2001
10 |
17 |
(-25)×(+1.2)=25×1.2=-30;
(-1
2 |
5 |
5 |
49 |
7 |
5 |
5 |
49 |
1 |
7 |
(-2
1 |
7 |
5 |
14 |
15 |
7 |
14 |
5 |
(-1)÷(+
3 |
5 |
5 |
3 |
5 |
3 |
1 |
6 |
1 |
6 |
2 |
5 |
1 |
15 |
10 |
17 |
(-25)×(+1.2)=25×1.2=-30;
(-1
2 |
5 |
5 |
49 |
7 |
5 |
5 |
49 |
1 |
7 |
(-2
1 |
7 |
5 |
14 |
15 |
7 |
14 |
5 |
(-1)÷(+
3 |
5 |
5 |
3 |
5 |
3 |
1 |
6 |
1 |
6 |
2 |
5 |
1 |
15 |
2 |
5 |
5 |
49 |
7 |
5 |
5 |
49 |
1 |
7 |
(-2
1 |
7 |
5 |
14 |
15 |
7 |
14 |
5 |
(-1)÷(+
3 |
5 |
5 |
3 |
5 |
3 |
1 |
6 |
1 |
6 |
2 |
5 |
1 |
15 |
5 |
49 |
7 |
5 |
5 |
49 |
1 |
7 |
(-2
1 |
7 |
5 |
14 |
15 |
7 |
14 |
5 |
(-1)÷(+
3 |
5 |
5 |
3 |
5 |
3 |
1 |
6 |
1 |
6 |
2 |
5 |
1 |
15 |
7 |
5 |
5 |
49 |
1 |
7 |
(-2
1 |
7 |
5 |
14 |
15 |
7 |
14 |
5 |
(-1)÷(+
3 |
5 |
5 |
3 |
5 |
3 |
1 |
6 |
1 |
6 |
2 |
5 |
1 |
15 |
5 |
49 |
1 |
7 |
(-2
1 |
7 |
5 |
14 |
15 |
7 |
14 |
5 |
(-1)÷(+
3 |
5 |
5 |
3 |
5 |
3 |
1 |
6 |
1 |
6 |
2 |
5 |
1 |
15 |
1 |
7 |
(-2
1 |
7 |
5 |
14 |
15 |
7 |
14 |
5 |
(-1)÷(+
3 |
5 |
5 |
3 |
5 |
3 |
1 |
6 |
1 |
6 |
2 |
5 |
1 |
15 |
1 |
7 |
5 |
14 |
15 |
7 |
14 |
5 |
(-1)÷(+
3 |
5 |
5 |
3 |
5 |
3 |
1 |
6 |
1 |
6 |
2 |
5 |
1 |
15 |
5 |
14 |
15 |
7 |
14 |
5 |
(-1)÷(+
3 |
5 |
5 |
3 |
5 |
3 |
1 |
6 |
1 |
6 |
2 |
5 |
1 |
15 |
15 |
7 |
14 |
5 |
(-1)÷(+
3 |
5 |
5 |
3 |
5 |
3 |
1 |
6 |
1 |
6 |
2 |
5 |
1 |
15 |
14 |
5 |
(-1)÷(+
3 |
5 |
5 |
3 |
5 |
3 |
1 |
6 |
1 |
6 |
2 |
5 |
1 |
15 |
3 |
5 |
5 |
3 |
5 |
3 |
1 |
6 |
1 |
6 |
2 |
5 |
1 |
15 |
5 |
3 |
5 |
3 |
1 |
6 |
1 |
6 |
2 |
5 |
1 |
15 |
5 |
3 |
1 |
6 |
1 |
6 |
2 |
5 |
1 |
15 |
1 |
6 |
1 |
6 |
2 |
5 |
1 |
15 |
1 |
6 |
2 |
5 |
1 |
15 |
1 |
15 |
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