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(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
)-87.3+3
(2)-2.5÷
×(-
)÷(-4)
(3)(
-
+
)×(-36)
(4)-14×|1-
|+
×[(-
)2-2].(1)(-12.7)-(-5
)-87.3+3
(2)-2.5÷
×(-
)÷(-4)
(3)(
-
+
)×(-36)
(4)-14×|1-
|+
×[(-
)2-2].
)-87.3+3
(2)-2.5÷
×(-
)÷(-4)
(3)(
-
+
)×(-36)
(4)-14×|1-
|+
×[(-
)2-2].
2 5 2 2 5 5
(2)-2.5÷
×(-
)÷(-4)
(3)(
-
+
)×(-36)
(4)-14×|1-
|+
×[(-
)2-2].
3 5 3 3 5 5
×(-
)÷(-4)
(3)(
-
+
)×(-36)
(4)-14×|1-
|+
×[(-
)2-2].
5 16 5 5 16 16
)÷(-4)
(3)(
-
+
)×(-36)
(4)-14×|1-
|+
×[(-
)2-2].
1 8 1 1 8 8
-
+
)×(-36)
(4)-14×|1-
|+
×[(-
)2-2].
1 6 1 1 6 6
+
)×(-36)
(4)-14×|1-
|+
×[(-
)2-2].
2 3 2 2 3 3
)×(-36)
(4)-14×|1-
|+
×[(-
)2-2].
5 12 5 5 12 12
4
|+
×[(-
)2-2].
7 6 7 7 6 6
×[(-
)2-2].
3 4 3 3 4 4
)2-2].
2 3 2 2 3 3 2
2 |
5 |
3 |
5 |
(2)-2.5÷
5 |
16 |
1 |
8 |
(3)(
1 |
6 |
2 |
3 |
5 |
12 |
(4)-14×|1-
7 |
6 |
3 |
4 |
2 |
3 |
2 |
5 |
3 |
5 |
(2)-2.5÷
5 |
16 |
1 |
8 |
(3)(
1 |
6 |
2 |
3 |
5 |
12 |
(4)-14×|1-
7 |
6 |
3 |
4 |
2 |
3 |
2 |
5 |
3 |
5 |
(2)-2.5÷
5 |
16 |
1 |
8 |
(3)(
1 |
6 |
2 |
3 |
5 |
12 |
(4)-14×|1-
7 |
6 |
3 |
4 |
2 |
3 |
2 |
5 |
3 |
5 |
(2)-2.5÷
5 |
16 |
1 |
8 |
(3)(
1 |
6 |
2 |
3 |
5 |
12 |
(4)-14×|1-
7 |
6 |
3 |
4 |
2 |
3 |
3 |
5 |
5 |
16 |
1 |
8 |
(3)(
1 |
6 |
2 |
3 |
5 |
12 |
(4)-14×|1-
7 |
6 |
3 |
4 |
2 |
3 |
5 |
16 |
1 |
8 |
(3)(
1 |
6 |
2 |
3 |
5 |
12 |
(4)-14×|1-
7 |
6 |
3 |
4 |
2 |
3 |
1 |
8 |
1 |
6 |
2 |
3 |
5 |
12 |
(4)-14×|1-
7 |
6 |
3 |
4 |
2 |
3 |
1 |
6 |
2 |
3 |
5 |
12 |
(4)-14×|1-
7 |
6 |
3 |
4 |
2 |
3 |
2 |
3 |
5 |
12 |
(4)-14×|1-
7 |
6 |
3 |
4 |
2 |
3 |
5 |
12 |
4
7 |
6 |
3 |
4 |
2 |
3 |
7 |
6 |
3 |
4 |
2 |
3 |
3 |
4 |
2 |
3 |
2 |
3 |
▼优质解答
答案和解析
(1)(-12.7)-(-5
)-87.3+3
=(-12.7-87.3)+(5
+3
)
=-100+9
=-91
(2)-2.5÷
×(-
)÷(-4)
=-8×(-
)÷(-4)
=1÷(-4)
=-
(3)(
-
+
)×(-36)
=
×(-36)-
×(-36)+
×(-36)
=-6+24-15
=3
(4)-14×|1-
|+
×[(-
)2-2]
=-1×
+
×[
-2]
=-
+
×[-
]
=-
-
=-
2 5 2 2 25 5 5)-87.3+3
=(-12.7-87.3)+(5
+3
)
=-100+9
=-91
(2)-2.5÷
×(-
)÷(-4)
=-8×(-
)÷(-4)
=1÷(-4)
=-
(3)(
-
+
)×(-36)
=
×(-36)-
×(-36)+
×(-36)
=-6+24-15
=3
(4)-14×|1-
|+
×[(-
)2-2]
=-1×
+
×[
-2]
=-
+
×[-
]
=-
-
=-
3 5 3 3 35 5 5
=(-12.7-87.3)+(5
+3
)
=-100+9
=-91
(2)-2.5÷
×(-
)÷(-4)
=-8×(-
)÷(-4)
=1÷(-4)
=-
(3)(
-
+
)×(-36)
=
×(-36)-
×(-36)+
×(-36)
=-6+24-15
=3
(4)-14×|1-
|+
×[(-
)2-2]
=-1×
+
×[
-2]
=-
+
×[-
]
=-
-
=-
2 5 2 2 25 5 5+3
)
=-100+9
=-91
(2)-2.5÷
×(-
)÷(-4)
=-8×(-
)÷(-4)
=1÷(-4)
=-
(3)(
-
+
)×(-36)
=
×(-36)-
×(-36)+
×(-36)
=-6+24-15
=3
(4)-14×|1-
|+
×[(-
)2-2]
=-1×
+
×[
-2]
=-
+
×[-
]
=-
-
=-
3 5 3 3 35 5 5)
=-100+9
=-91
(2)-2.5÷
×(-
)÷(-4)
=-8×(-
)÷(-4)
=1÷(-4)
=-
(3)(
-
+
)×(-36)
=
×(-36)-
×(-36)+
×(-36)
=-6+24-15
=3
(4)-14×|1-
|+
×[(-
)2-2]
=-1×
+
×[
-2]
=-
+
×[-
]
=-
-
=-
5 16 5 5 516 16 16×(-
)÷(-4)
=-8×(-
)÷(-4)
=1÷(-4)
=-
(3)(
-
+
)×(-36)
=
×(-36)-
×(-36)+
×(-36)
=-6+24-15
=3
(4)-14×|1-
|+
×[(-
)2-2]
=-1×
+
×[
-2]
=-
+
×[-
]
=-
-
=-
1 8 1 1 18 8 8)÷(-4)
=-8×(-
)÷(-4)
=1÷(-4)
=-
(3)(
-
+
)×(-36)
=
×(-36)-
×(-36)+
×(-36)
=-6+24-15
=3
(4)-14×|1-
|+
×[(-
)2-2]
=-1×
+
×[
-2]
=-
+
×[-
]
=-
-
=-
1 8 1 1 18 8 8)÷(-4)
=1÷(-4)
=-
(3)(
-
+
)×(-36)
=
×(-36)-
×(-36)+
×(-36)
=-6+24-15
=3
(4)-14×|1-
|+
×[(-
)2-2]
=-1×
+
×[
-2]
=-
+
×[-
]
=-
-
=-
1 4 1 1 14 4 4
(3)(
-
+
)×(-36)
=
×(-36)-
×(-36)+
×(-36)
=-6+24-15
=3
(4)-14×|1-
|+
×[(-
)2-2]
=-1×
+
×[
-2]
=-
+
×[-
]
=-
-
=-
1 6 1 1 16 6 6-
+
)×(-36)
=
×(-36)-
×(-36)+
×(-36)
=-6+24-15
=3
(4)-14×|1-
|+
×[(-
)2-2]
=-1×
+
×[
-2]
=-
+
×[-
]
=-
-
=-
2 3 2 2 23 3 3+
)×(-36)
=
×(-36)-
×(-36)+
×(-36)
=-6+24-15
=3
(4)-14×|1-
|+
×[(-
)2-2]
=-1×
+
×[
-2]
=-
+
×[-
]
=-
-
=-
5 12 5 5 512 12 12)×(-36)
=
×(-36)-
×(-36)+
×(-36)
=-6+24-15
=3
(4)-14×|1-
|+
×[(-
)2-2]
=-1×
+
×[
-2]
=-
+
×[-
]
=-
-
=-
1 6 1 1 16 6 6×(-36)-
×(-36)+
×(-36)
=-6+24-15
=3
(4)-14×|1-
|+
×[(-
)2-2]
=-1×
+
×[
-2]
=-
+
×[-
]
=-
-
=-
2 3 2 2 23 3 3×(-36)+
×(-36)
=-6+24-15
=3
(4)-14×|1-
|+
×[(-
)2-2]
=-1×
+
×[
-2]
=-
+
×[-
]
=-
-
=-
5 12 5 5 512 12 12×(-36)
=-6+24-15
=3
(4)-144×|1-
|+
×[(-
)2-2]
=-1×
+
×[
-2]
=-
+
×[-
]
=-
-
=-
7 6 7 7 76 6 6|+
×[(-
)2-2]
=-1×
+
×[
-2]
=-
+
×[-
]
=-
-
=-
3 4 3 3 34 4 4×[(-
)2-2]
=-1×
+
×[
-2]
=-
+
×[-
]
=-
-
=-
2 3 2 2 23 3 3)22-2]
=-1×
+
×[
-2]
=-
+
×[-
]
=-
-
=-
1 6 1 1 16 6 6+
×[
-2]
=-
+
×[-
]
=-
-
=-
3 4 3 3 34 4 4×[
-2]
=-
+
×[-
]
=-
-
=-
4 9 4 4 49 9 9-2]
=-
+
×[-
]
=-
-
=-
1 6 1 1 16 6 6+
×[-
]
=-
-
=-
3 4 3 3 34 4 4×[-
]
=-
-
=-
14 9 14 14 149 9 9]
=-
-
=-
1 6 1 1 16 6 6-
=-
7 6 7 7 76 6 6
=-
4 3 4 4 43 3 3
2 |
5 |
3 |
5 |
=(-12.7-87.3)+(5
2 |
5 |
3 |
5 |
=-100+9
=-91
(2)-2.5÷
5 |
16 |
1 |
8 |
=-8×(-
1 |
8 |
=1÷(-4)
=-
1 |
4 |
(3)(
1 |
6 |
2 |
3 |
5 |
12 |
=
1 |
6 |
2 |
3 |
5 |
12 |
=-6+24-15
=3
(4)-14×|1-
7 |
6 |
3 |
4 |
2 |
3 |
=-1×
1 |
6 |
3 |
4 |
4 |
9 |
=-
1 |
6 |
3 |
4 |
14 |
9 |
=-
1 |
6 |
7 |
6 |
=-
4 |
3 |
2 |
5 |
3 |
5 |
=(-12.7-87.3)+(5
2 |
5 |
3 |
5 |
=-100+9
=-91
(2)-2.5÷
5 |
16 |
1 |
8 |
=-8×(-
1 |
8 |
=1÷(-4)
=-
1 |
4 |
(3)(
1 |
6 |
2 |
3 |
5 |
12 |
=
1 |
6 |
2 |
3 |
5 |
12 |
=-6+24-15
=3
(4)-14×|1-
7 |
6 |
3 |
4 |
2 |
3 |
=-1×
1 |
6 |
3 |
4 |
4 |
9 |
=-
1 |
6 |
3 |
4 |
14 |
9 |
=-
1 |
6 |
7 |
6 |
=-
4 |
3 |
3 |
5 |
=(-12.7-87.3)+(5
2 |
5 |
3 |
5 |
=-100+9
=-91
(2)-2.5÷
5 |
16 |
1 |
8 |
=-8×(-
1 |
8 |
=1÷(-4)
=-
1 |
4 |
(3)(
1 |
6 |
2 |
3 |
5 |
12 |
=
1 |
6 |
2 |
3 |
5 |
12 |
=-6+24-15
=3
(4)-14×|1-
7 |
6 |
3 |
4 |
2 |
3 |
=-1×
1 |
6 |
3 |
4 |
4 |
9 |
=-
1 |
6 |
3 |
4 |
14 |
9 |
=-
1 |
6 |
7 |
6 |
=-
4 |
3 |
2 |
5 |
3 |
5 |
=-100+9
=-91
(2)-2.5÷
5 |
16 |
1 |
8 |
=-8×(-
1 |
8 |
=1÷(-4)
=-
1 |
4 |
(3)(
1 |
6 |
2 |
3 |
5 |
12 |
=
1 |
6 |
2 |
3 |
5 |
12 |
=-6+24-15
=3
(4)-14×|1-
7 |
6 |
3 |
4 |
2 |
3 |
=-1×
1 |
6 |
3 |
4 |
4 |
9 |
=-
1 |
6 |
3 |
4 |
14 |
9 |
=-
1 |
6 |
7 |
6 |
=-
4 |
3 |
3 |
5 |
=-100+9
=-91
(2)-2.5÷
5 |
16 |
1 |
8 |
=-8×(-
1 |
8 |
=1÷(-4)
=-
1 |
4 |
(3)(
1 |
6 |
2 |
3 |
5 |
12 |
=
1 |
6 |
2 |
3 |
5 |
12 |
=-6+24-15
=3
(4)-14×|1-
7 |
6 |
3 |
4 |
2 |
3 |
=-1×
1 |
6 |
3 |
4 |
4 |
9 |
=-
1 |
6 |
3 |
4 |
14 |
9 |
=-
1 |
6 |
7 |
6 |
=-
4 |
3 |
5 |
16 |
1 |
8 |
=-8×(-
1 |
8 |
=1÷(-4)
=-
1 |
4 |
(3)(
1 |
6 |
2 |
3 |
5 |
12 |
=
1 |
6 |
2 |
3 |
5 |
12 |
=-6+24-15
=3
(4)-14×|1-
7 |
6 |
3 |
4 |
2 |
3 |
=-1×
1 |
6 |
3 |
4 |
4 |
9 |
=-
1 |
6 |
3 |
4 |
14 |
9 |
=-
1 |
6 |
7 |
6 |
=-
4 |
3 |
1 |
8 |
=-8×(-
1 |
8 |
=1÷(-4)
=-
1 |
4 |
(3)(
1 |
6 |
2 |
3 |
5 |
12 |
=
1 |
6 |
2 |
3 |
5 |
12 |
=-6+24-15
=3
(4)-14×|1-
7 |
6 |
3 |
4 |
2 |
3 |
=-1×
1 |
6 |
3 |
4 |
4 |
9 |
=-
1 |
6 |
3 |
4 |
14 |
9 |
=-
1 |
6 |
7 |
6 |
=-
4 |
3 |
1 |
8 |
=1÷(-4)
=-
1 |
4 |
(3)(
1 |
6 |
2 |
3 |
5 |
12 |
=
1 |
6 |
2 |
3 |
5 |
12 |
=-6+24-15
=3
(4)-14×|1-
7 |
6 |
3 |
4 |
2 |
3 |
=-1×
1 |
6 |
3 |
4 |
4 |
9 |
=-
1 |
6 |
3 |
4 |
14 |
9 |
=-
1 |
6 |
7 |
6 |
=-
4 |
3 |
1 |
4 |
(3)(
1 |
6 |
2 |
3 |
5 |
12 |
=
1 |
6 |
2 |
3 |
5 |
12 |
=-6+24-15
=3
(4)-14×|1-
7 |
6 |
3 |
4 |
2 |
3 |
=-1×
1 |
6 |
3 |
4 |
4 |
9 |
=-
1 |
6 |
3 |
4 |
14 |
9 |
=-
1 |
6 |
7 |
6 |
=-
4 |
3 |
1 |
6 |
2 |
3 |
5 |
12 |
=
1 |
6 |
2 |
3 |
5 |
12 |
=-6+24-15
=3
(4)-14×|1-
7 |
6 |
3 |
4 |
2 |
3 |
=-1×
1 |
6 |
3 |
4 |
4 |
9 |
=-
1 |
6 |
3 |
4 |
14 |
9 |
=-
1 |
6 |
7 |
6 |
=-
4 |
3 |
2 |
3 |
5 |
12 |
=
1 |
6 |
2 |
3 |
5 |
12 |
=-6+24-15
=3
(4)-14×|1-
7 |
6 |
3 |
4 |
2 |
3 |
=-1×
1 |
6 |
3 |
4 |
4 |
9 |
=-
1 |
6 |
3 |
4 |
14 |
9 |
=-
1 |
6 |
7 |
6 |
=-
4 |
3 |
5 |
12 |
=
1 |
6 |
2 |
3 |
5 |
12 |
=-6+24-15
=3
(4)-14×|1-
7 |
6 |
3 |
4 |
2 |
3 |
=-1×
1 |
6 |
3 |
4 |
4 |
9 |
=-
1 |
6 |
3 |
4 |
14 |
9 |
=-
1 |
6 |
7 |
6 |
=-
4 |
3 |
1 |
6 |
2 |
3 |
5 |
12 |
=-6+24-15
=3
(4)-14×|1-
7 |
6 |
3 |
4 |
2 |
3 |
=-1×
1 |
6 |
3 |
4 |
4 |
9 |
=-
1 |
6 |
3 |
4 |
14 |
9 |
=-
1 |
6 |
7 |
6 |
=-
4 |
3 |
2 |
3 |
5 |
12 |
=-6+24-15
=3
(4)-14×|1-
7 |
6 |
3 |
4 |
2 |
3 |
=-1×
1 |
6 |
3 |
4 |
4 |
9 |
=-
1 |
6 |
3 |
4 |
14 |
9 |
=-
1 |
6 |
7 |
6 |
=-
4 |
3 |
5 |
12 |
=-6+24-15
=3
(4)-144×|1-
7 |
6 |
3 |
4 |
2 |
3 |
=-1×
1 |
6 |
3 |
4 |
4 |
9 |
=-
1 |
6 |
3 |
4 |
14 |
9 |
=-
1 |
6 |
7 |
6 |
=-
4 |
3 |
7 |
6 |
3 |
4 |
2 |
3 |
=-1×
1 |
6 |
3 |
4 |
4 |
9 |
=-
1 |
6 |
3 |
4 |
14 |
9 |
=-
1 |
6 |
7 |
6 |
=-
4 |
3 |
3 |
4 |
2 |
3 |
=-1×
1 |
6 |
3 |
4 |
4 |
9 |
=-
1 |
6 |
3 |
4 |
14 |
9 |
=-
1 |
6 |
7 |
6 |
=-
4 |
3 |
2 |
3 |
=-1×
1 |
6 |
3 |
4 |
4 |
9 |
=-
1 |
6 |
3 |
4 |
14 |
9 |
=-
1 |
6 |
7 |
6 |
=-
4 |
3 |
1 |
6 |
3 |
4 |
4 |
9 |
=-
1 |
6 |
3 |
4 |
14 |
9 |
=-
1 |
6 |
7 |
6 |
=-
4 |
3 |
3 |
4 |
4 |
9 |
=-
1 |
6 |
3 |
4 |
14 |
9 |
=-
1 |
6 |
7 |
6 |
=-
4 |
3 |
4 |
9 |
=-
1 |
6 |
3 |
4 |
14 |
9 |
=-
1 |
6 |
7 |
6 |
=-
4 |
3 |
1 |
6 |
3 |
4 |
14 |
9 |
=-
1 |
6 |
7 |
6 |
=-
4 |
3 |
3 |
4 |
14 |
9 |
=-
1 |
6 |
7 |
6 |
=-
4 |
3 |
14 |
9 |
=-
1 |
6 |
7 |
6 |
=-
4 |
3 |
1 |
6 |
7 |
6 |
=-
4 |
3 |
7 |
6 |
=-
4 |
3 |
4 |
3 |
看了 (1)(-12.7)-(-5...的网友还看了以下:
S=(1+1/1*2+(2+1/2*3)+(3+1/3*4)+...+(20+1/20*21)S= 2020-04-27 …
1/2{1/2[1/2(1/2y-3)-3]-3}=17x-1/0.024=1-0.2x/0.08 2020-04-27 …
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49.7-[-23/3/4+(18.7-25.25)]12+1又3/4-8又5/12-6.75-( 2020-06-04 …
(1/2+1/3+1/4+...1/2013)X(1+1/2+1/3+1/4+...1/2012) 2020-07-14 …
计算:1/3+3+1又1/211又1/4÷(1-1/2-1/4)23-3又8/9÷3/8×2又1/ 2020-07-18 …
已知1^3=1=1/4*1^2*2;1^3+2^3=9=1/4*2^2*3^2;1^3+2^3+3 2020-07-19 …
观察下列勾股数:第一组:3=2×1+1,4=2×1×(1+1),5=2×1×(1+1)+1;第二组 2020-07-26 …
求一道预备班数学期中考试的答案小明在做题时发现了一个规律:1*2/1=1-2/1,2*3/1=2/1 2020-11-05 …
1/6=1/2*3=3-2/2*3=3/2*3-2/2*3=1/2-1/3以上过程是逆用异分母分数减 2020-12-23 …