早教吧作业答案频道 -->其他-->
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 |
看了 计算:-7+(+2)=,-5...的网友还看了以下:
lim x趋于0 1-cosx^2/x^2sinX^2(1-cosx^2)/x^2sinx^2=[ 2020-05-16 …
2^2-1^2=2*1+13^2-2^2=2*2+14^2-3^2=2*3+1……(n+1)^2- 2020-05-19 …
20.x^2/a^2+y^2/b^2+z^2/c^2=1成立;20.x^2/a^2+y^2/b^2 2020-06-11 …
在○里填上适当的运算符合,使等式成立(1)1/2○1/2○1/2○1/2○1/2=0(2)1/2○ 2020-07-08 …
求1+2+2^2+2^3+2^4+…+2^2014的值.设S=1+2+2^2+2^3+2^4+…+ 2020-07-09 …
已知2=2,2+5=7=1/2*(2+5)*2,2+5+8=15=1/2*(2+8)*3,2+5+ 2020-07-19 …
已知A=(1^2+2^2)/1*2+(2^2+3^2)/2*3+(3^2+4^2)/3*4+.+( 2020-07-21 …
(2*2+1)*(2*2*2*2+1)*(2*2*2*2*2*2*2*2+1)*(2*2*2*2* 2020-07-22 …
为了求1+2+2^2+2^3+…+2^1000的值,可令S=1+2+2^2+2^3+2^1000, 2020-07-22 …
(a^2-b^2-c^2)tanA+(a^2-b^2+c^2)tanB=0(a^2-b^2-c^2 2020-08-02 …