早教吧 育儿知识 作业答案 考试题库 百科 知识分享

(1)(-12.7)-(-525)-87.3+335(2)-2.5÷516×(-18)÷(-4)(3)(16-23+512)×(-36)(4)-14×|1-76|+34×[(-23)2-2].

题目详情
(1)(-12.7)-(-5
2
5
)-87.3+3
3
5

(2)-2.5÷
5
16
×(-
1
8
)÷(-4)
(3)(
1
6
-
2
3
+
5
12
)×(-36)
(4)-14×|1-
7
6
|+
3
4
×[(-
2
3
2-2].
(1)(-12.7)-(-5
2
5
)-87.3+3
3
5

(2)-2.5÷
5
16
×(-
1
8
)÷(-4)
(3)(
1
6
-
2
3
+
5
12
)×(-36)
(4)-14×|1-
7
6
|+
3
4
×[(-
2
3
2-2].
2
5
)-87.3+3
3
5

(2)-2.5÷
5
16
×(-
1
8
)÷(-4)
(3)(
1
6
-
2
3
+
5
12
)×(-36)
(4)-14×|1-
7
6
|+
3
4
×[(-
2
3
2-2].
2
5
252255
3
5

(2)-2.5÷
5
16
×(-
1
8
)÷(-4)
(3)(
1
6
-
2
3
+
5
12
)×(-36)
(4)-14×|1-
7
6
|+
3
4
×[(-
2
3
2-2].
3
5
353355
5
16
×(-
1
8
)÷(-4)
(3)(
1
6
-
2
3
+
5
12
)×(-36)
(4)-14×|1-
7
6
|+
3
4
×[(-
2
3
2-2].
5
16
516551616
1
8
)÷(-4)
(3)(
1
6
-
2
3
+
5
12
)×(-36)
(4)-14×|1-
7
6
|+
3
4
×[(-
2
3
2-2].
1
8
181188
1
6
-
2
3
+
5
12
)×(-36)
(4)-14×|1-
7
6
|+
3
4
×[(-
2
3
2-2].
1
6
161166
2
3
+
5
12
)×(-36)
(4)-14×|1-
7
6
|+
3
4
×[(-
2
3
2-2].
2
3
232233
5
12
)×(-36)
(4)-14×|1-
7
6
|+
3
4
×[(-
2
3
2-2].
5
12
512551212
4
7
6
|+
3
4
×[(-
2
3
2-2].
7
6
767766
3
4
×[(-
2
3
2-2].
3
4
343344
2
3
2-2].
2
3
2322332
▼优质解答
答案和解析
(1)(-12.7)-(-5
2
5
)-87.3+3
3
5

=(-12.7-87.3)+(5
2
5
+3
3
5

=-100+9
=-91

(2)-2.5÷
5
16
×(-
1
8
)÷(-4)
=-8×(-
1
8
)÷(-4)
=1÷(-4)
=-
1
4


(3)(
1
6
-
2
3
+
5
12
)×(-36)
=
1
6
×(-36)-
2
3
×(-36)+
5
12
×(-36)
=-6+24-15
=3

(4)-14×|1-
7
6
|+
3
4
×[(-
2
3
2-2]
=-1×
1
6
+
3
4
×[
4
9
-2]
=-
1
6
+
3
4
×[-
14
9
]
=-
1
6
-
7
6

=-
4
3
2
5
25222555)-87.3+3
3
5

=(-12.7-87.3)+(5
2
5
+3
3
5

=-100+9
=-91

(2)-2.5÷
5
16
×(-
1
8
)÷(-4)
=-8×(-
1
8
)÷(-4)
=1÷(-4)
=-
1
4


(3)(
1
6
-
2
3
+
5
12
)×(-36)
=
1
6
×(-36)-
2
3
×(-36)+
5
12
×(-36)
=-6+24-15
=3

(4)-14×|1-
7
6
|+
3
4
×[(-
2
3
2-2]
=-1×
1
6
+
3
4
×[
4
9
-2]
=-
1
6
+
3
4
×[-
14
9
]
=-
1
6
-
7
6

=-
4
3
3
5
35333555
=(-12.7-87.3)+(5
2
5
+3
3
5

=-100+9
=-91

(2)-2.5÷
5
16
×(-
1
8
)÷(-4)
=-8×(-
1
8
)÷(-4)
=1÷(-4)
=-
1
4


(3)(
1
6
-
2
3
+
5
12
)×(-36)
=
1
6
×(-36)-
2
3
×(-36)+
5
12
×(-36)
=-6+24-15
=3

(4)-14×|1-
7
6
|+
3
4
×[(-
2
3
2-2]
=-1×
1
6
+
3
4
×[
4
9
-2]
=-
1
6
+
3
4
×[-
14
9
]
=-
1
6
-
7
6

=-
4
3
2
5
25222555+3
3
5

=-100+9
=-91

(2)-2.5÷
5
16
×(-
1
8
)÷(-4)
=-8×(-
1
8
)÷(-4)
=1÷(-4)
=-
1
4


(3)(
1
6
-
2
3
+
5
12
)×(-36)
=
1
6
×(-36)-
2
3
×(-36)+
5
12
×(-36)
=-6+24-15
=3

(4)-14×|1-
7
6
|+
3
4
×[(-
2
3
2-2]
=-1×
1
6
+
3
4
×[
4
9
-2]
=-
1
6
+
3
4
×[-
14
9
]
=-
1
6
-
7
6

=-
4
3
3
5
35333555)
=-100+9
=-91

(2)-2.5÷
5
16
×(-
1
8
)÷(-4)
=-8×(-
1
8
)÷(-4)
=1÷(-4)
=-
1
4


(3)(
1
6
-
2
3
+
5
12
)×(-36)
=
1
6
×(-36)-
2
3
×(-36)+
5
12
×(-36)
=-6+24-15
=3

(4)-14×|1-
7
6
|+
3
4
×[(-
2
3
2-2]
=-1×
1
6
+
3
4
×[
4
9
-2]
=-
1
6
+
3
4
×[-
14
9
]
=-
1
6
-
7
6

=-
4
3
5
16
516555161616×(-
1
8
)÷(-4)
=-8×(-
1
8
)÷(-4)
=1÷(-4)
=-
1
4


(3)(
1
6
-
2
3
+
5
12
)×(-36)
=
1
6
×(-36)-
2
3
×(-36)+
5
12
×(-36)
=-6+24-15
=3

(4)-14×|1-
7
6
|+
3
4
×[(-
2
3
2-2]
=-1×
1
6
+
3
4
×[
4
9
-2]
=-
1
6
+
3
4
×[-
14
9
]
=-
1
6
-
7
6

=-
4
3
1
8
18111888)÷(-4)
=-8×(-
1
8
)÷(-4)
=1÷(-4)
=-
1
4


(3)(
1
6
-
2
3
+
5
12
)×(-36)
=
1
6
×(-36)-
2
3
×(-36)+
5
12
×(-36)
=-6+24-15
=3

(4)-14×|1-
7
6
|+
3
4
×[(-
2
3
2-2]
=-1×
1
6
+
3
4
×[
4
9
-2]
=-
1
6
+
3
4
×[-
14
9
]
=-
1
6
-
7
6

=-
4
3
1
8
18111888)÷(-4)
=1÷(-4)
=-
1
4


(3)(
1
6
-
2
3
+
5
12
)×(-36)
=
1
6
×(-36)-
2
3
×(-36)+
5
12
×(-36)
=-6+24-15
=3

(4)-14×|1-
7
6
|+
3
4
×[(-
2
3
2-2]
=-1×
1
6
+
3
4
×[
4
9
-2]
=-
1
6
+
3
4
×[-
14
9
]
=-
1
6
-
7
6

=-
4
3
1
4
14111444

(3)(
1
6
-
2
3
+
5
12
)×(-36)
=
1
6
×(-36)-
2
3
×(-36)+
5
12
×(-36)
=-6+24-15
=3

(4)-14×|1-
7
6
|+
3
4
×[(-
2
3
2-2]
=-1×
1
6
+
3
4
×[
4
9
-2]
=-
1
6
+
3
4
×[-
14
9
]
=-
1
6
-
7
6

=-
4
3
1
6
16111666-
2
3
+
5
12
)×(-36)
=
1
6
×(-36)-
2
3
×(-36)+
5
12
×(-36)
=-6+24-15
=3

(4)-14×|1-
7
6
|+
3
4
×[(-
2
3
2-2]
=-1×
1
6
+
3
4
×[
4
9
-2]
=-
1
6
+
3
4
×[-
14
9
]
=-
1
6
-
7
6

=-
4
3
2
3
23222333+
5
12
)×(-36)
=
1
6
×(-36)-
2
3
×(-36)+
5
12
×(-36)
=-6+24-15
=3

(4)-14×|1-
7
6
|+
3
4
×[(-
2
3
2-2]
=-1×
1
6
+
3
4
×[
4
9
-2]
=-
1
6
+
3
4
×[-
14
9
]
=-
1
6
-
7
6

=-
4
3
5
12
512555121212)×(-36)
=
1
6
×(-36)-
2
3
×(-36)+
5
12
×(-36)
=-6+24-15
=3

(4)-14×|1-
7
6
|+
3
4
×[(-
2
3
2-2]
=-1×
1
6
+
3
4
×[
4
9
-2]
=-
1
6
+
3
4
×[-
14
9
]
=-
1
6
-
7
6

=-
4
3
1
6
16111666×(-36)-
2
3
×(-36)+
5
12
×(-36)
=-6+24-15
=3

(4)-14×|1-
7
6
|+
3
4
×[(-
2
3
2-2]
=-1×
1
6
+
3
4
×[
4
9
-2]
=-
1
6
+
3
4
×[-
14
9
]
=-
1
6
-
7
6

=-
4
3
2
3
23222333×(-36)+
5
12
×(-36)
=-6+24-15
=3

(4)-14×|1-
7
6
|+
3
4
×[(-
2
3
2-2]
=-1×
1
6
+
3
4
×[
4
9
-2]
=-
1
6
+
3
4
×[-
14
9
]
=-
1
6
-
7
6

=-
4
3
5
12
512555121212×(-36)
=-6+24-15
=3

(4)-144×|1-
7
6
|+
3
4
×[(-
2
3
2-2]
=-1×
1
6
+
3
4
×[
4
9
-2]
=-
1
6
+
3
4
×[-
14
9
]
=-
1
6
-
7
6

=-
4
3
7
6
76777666|+
3
4
×[(-
2
3
2-2]
=-1×
1
6
+
3
4
×[
4
9
-2]
=-
1
6
+
3
4
×[-
14
9
]
=-
1
6
-
7
6

=-
4
3
3
4
34333444×[(-
2
3
2-2]
=-1×
1
6
+
3
4
×[
4
9
-2]
=-
1
6
+
3
4
×[-
14
9
]
=-
1
6
-
7
6

=-
4
3
2
3
23222333)22-2]
=-1×
1
6
+
3
4
×[
4
9
-2]
=-
1
6
+
3
4
×[-
14
9
]
=-
1
6
-
7
6

=-
4
3
1
6
16111666+
3
4
×[
4
9
-2]
=-
1
6
+
3
4
×[-
14
9
]
=-
1
6
-
7
6

=-
4
3
3
4
34333444×[
4
9
-2]
=-
1
6
+
3
4
×[-
14
9
]
=-
1
6
-
7
6

=-
4
3
4
9
49444999-2]
=-
1
6
+
3
4
×[-
14
9
]
=-
1
6
-
7
6

=-
4
3
1
6
16111666+
3
4
×[-
14
9
]
=-
1
6
-
7
6

=-
4
3
3
4
34333444×[-
14
9
]
=-
1
6
-
7
6

=-
4
3
14
9
149141414999]
=-
1
6
-
7
6

=-
4
3
1
6
16111666-
7
6

=-
4
3
7
6
76777666
=-
4
3
4
3
43444333