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计算:(1)3+50+22×(-15)-1;(2)[1-(1-0.5×12)]×[2-(-3)2];(3)-52+285÷(-2)×(-514);(4)4×(-3)2-5×(-3)+6;(5)(-81)÷214+49÷(-16);(6)12-[34-(14-5-12)];(7)-34÷94+49÷(-
题目详情
计算:
(1)3+50+22×(-
)-1;
(2)[1-(1-0.5×
)]×[2-(-3)2];
(3)-
+
÷(-2)×(-
);
(4)4×(-3)2-5×(-3)+6;
(5)(-81)÷2
+
÷(-16);
(6)
-[
-(
-5-
)];
(7)-34÷
+
÷(-24);
(8)(
-
)×24-(-3-3)2÷(-6÷3)2.
2
)-1;
(2)[1-(1-0.5×
)]×[2-(-3)2];
(3)-
+
÷(-2)×(-
);
(4)4×(-3)2-5×(-3)+6;
(5)(-81)÷2
+
÷(-16);
(6)
-[
-(
-5-
)];
(7)-34÷
+
÷(-24);
(8)(
-
)×24-(-3-3)2÷(-6÷3)2.
1 1 5 5
)]×[2-(-3)2];
(3)-
+
÷(-2)×(-
);
(4)4×(-3)2-5×(-3)+6;
(5)(-81)÷2
+
÷(-16);
(6)
-[
-(
-5-
)];
(7)-34÷
+
÷(-24);
(8)(
-
)×24-(-3-3)2÷(-6÷3)2.
1 1 2 2 2
+
÷(-2)×(-
);
(4)4×(-3)2-5×(-3)+6;
(5)(-81)÷2
+
÷(-16);
(6)
-[
-(
-5-
)];
(7)-34÷
+
÷(-24);
(8)(
-
)×24-(-3-3)2÷(-6÷3)2.
5 5 2 2
÷(-2)×(-
);
(4)4×(-3)2-5×(-3)+6;
(5)(-81)÷2
+
÷(-16);
(6)
-[
-(
-5-
)];
(7)-34÷
+
÷(-24);
(8)(
-
)×24-(-3-3)2÷(-6÷3)2.
28 28 5 5
);
(4)4×(-3)2-5×(-3)+6;
(5)(-81)÷2
+
÷(-16);
(6)
-[
-(
-5-
)];
(7)-34÷
+
÷(-24);
(8)(
-
)×24-(-3-3)2÷(-6÷3)2.
5 5 14 14
2
+
÷(-16);
(6)
-[
-(
-5-
)];
(7)-34÷
+
÷(-24);
(8)(
-
)×24-(-3-3)2÷(-6÷3)2.
1 1 4 4
÷(-16);
(6)
-[
-(
-5-
)];
(7)-34÷
+
÷(-24);
(8)(
-
)×24-(-3-3)2÷(-6÷3)2.
4 4 9 9
-[
-(
-5-
)];
(7)-34÷
+
÷(-24);
(8)(
-
)×24-(-3-3)2÷(-6÷3)2.
1 1 2 2
-(
-5-
)];
(7)-34÷
+
÷(-24);
(8)(
-
)×24-(-3-3)2÷(-6÷3)2.
3 3 4 4
-5-
)];
(7)-34÷
+
÷(-24);
(8)(
-
)×24-(-3-3)2÷(-6÷3)2.
1 1 4 4
)];
(7)-34÷
+
÷(-24);
(8)(
-
)×24-(-3-3)2÷(-6÷3)2.
1 1 2 2
4
+
÷(-24);
(8)(
-
)×24-(-3-3)2÷(-6÷3)2.
9 9 4 4
÷(-24);
(8)(
-
)×24-(-3-3)2÷(-6÷3)2.
4 4 9 9 4
-
)×24-(-3-3)2÷(-6÷3)2.
1 1 8 8
)×24-(-3-3)2÷(-6÷3)2.
1 1 25 25 22
(1)3+50+22×(-
1 |
5 |
(2)[1-(1-0.5×
1 |
2 |
(3)-
5 |
2 |
28 |
5 |
5 |
14 |
(4)4×(-3)2-5×(-3)+6;
(5)(-81)÷2
1 |
4 |
4 |
9 |
(6)
1 |
2 |
3 |
4 |
1 |
4 |
1 |
2 |
(7)-34÷
9 |
4 |
4 |
9 |
(8)(
1 |
8 |
1 |
25 |
2
1 |
5 |
(2)[1-(1-0.5×
1 |
2 |
(3)-
5 |
2 |
28 |
5 |
5 |
14 |
(4)4×(-3)2-5×(-3)+6;
(5)(-81)÷2
1 |
4 |
4 |
9 |
(6)
1 |
2 |
3 |
4 |
1 |
4 |
1 |
2 |
(7)-34÷
9 |
4 |
4 |
9 |
(8)(
1 |
8 |
1 |
25 |
1 |
5 |
1 |
2 |
(3)-
5 |
2 |
28 |
5 |
5 |
14 |
(4)4×(-3)2-5×(-3)+6;
(5)(-81)÷2
1 |
4 |
4 |
9 |
(6)
1 |
2 |
3 |
4 |
1 |
4 |
1 |
2 |
(7)-34÷
9 |
4 |
4 |
9 |
(8)(
1 |
8 |
1 |
25 |
1 |
2 |
5 |
2 |
28 |
5 |
5 |
14 |
(4)4×(-3)2-5×(-3)+6;
(5)(-81)÷2
1 |
4 |
4 |
9 |
(6)
1 |
2 |
3 |
4 |
1 |
4 |
1 |
2 |
(7)-34÷
9 |
4 |
4 |
9 |
(8)(
1 |
8 |
1 |
25 |
5 |
2 |
28 |
5 |
5 |
14 |
(4)4×(-3)2-5×(-3)+6;
(5)(-81)÷2
1 |
4 |
4 |
9 |
(6)
1 |
2 |
3 |
4 |
1 |
4 |
1 |
2 |
(7)-34÷
9 |
4 |
4 |
9 |
(8)(
1 |
8 |
1 |
25 |
28 |
5 |
5 |
14 |
(4)4×(-3)2-5×(-3)+6;
(5)(-81)÷2
1 |
4 |
4 |
9 |
(6)
1 |
2 |
3 |
4 |
1 |
4 |
1 |
2 |
(7)-34÷
9 |
4 |
4 |
9 |
(8)(
1 |
8 |
1 |
25 |
5 |
14 |
2
1 |
4 |
4 |
9 |
(6)
1 |
2 |
3 |
4 |
1 |
4 |
1 |
2 |
(7)-34÷
9 |
4 |
4 |
9 |
(8)(
1 |
8 |
1 |
25 |
1 |
4 |
4 |
9 |
(6)
1 |
2 |
3 |
4 |
1 |
4 |
1 |
2 |
(7)-34÷
9 |
4 |
4 |
9 |
(8)(
1 |
8 |
1 |
25 |
4 |
9 |
1 |
2 |
3 |
4 |
1 |
4 |
1 |
2 |
(7)-34÷
9 |
4 |
4 |
9 |
(8)(
1 |
8 |
1 |
25 |
1 |
2 |
3 |
4 |
1 |
4 |
1 |
2 |
(7)-34÷
9 |
4 |
4 |
9 |
(8)(
1 |
8 |
1 |
25 |
3 |
4 |
1 |
4 |
1 |
2 |
(7)-34÷
9 |
4 |
4 |
9 |
(8)(
1 |
8 |
1 |
25 |
1 |
4 |
1 |
2 |
(7)-34÷
9 |
4 |
4 |
9 |
(8)(
1 |
8 |
1 |
25 |
1 |
2 |
4
9 |
4 |
4 |
9 |
(8)(
1 |
8 |
1 |
25 |
9 |
4 |
4 |
9 |
(8)(
1 |
8 |
1 |
25 |
4 |
9 |
1 |
8 |
1 |
25 |
1 |
8 |
1 |
25 |
1 |
25 |
▼优质解答
答案和解析
(1)原式=3+50-45-1=5115;(2)原式=(1-1+14)×(2-9)=-74;(3)原式=-52+285×12×514=-52+1=-32;(4)原式=4×9+15+6=36+21=57;(5)原式=-81×49-49×116=-36136;(6)原式=12-34+14-5-12=-512;(7)原...
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