摘要: 计算 ÷2×÷4+3×(-2)+3, (3)-6×(-)-7, (4)30÷(-).
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计算:
(1)-
+5
-3
-5
+12
;
(2)3.75-(-
)+(-4
)+(-0.5)+(-6
);
(3)3
+(-2
)+(-3
)+5
+(-1
)+5
;
(4)(-4
)+(-3.75)+(-2
)+(-3
);
(5)(-123)+3
+(-4
)+(+123)+(-
)+(-
);
(6)25×
+(-25)×(-
);
(7)(-3)2÷2
×(-
)2+4-22×(-
);
(8)(-79)÷2
+
×(-29);
(9)[30-(
+
-
)×36]÷(-5)
(10)(-1)3-(1-
)÷3×[3-(-3)2]
(11)(
+
-
-
)÷
-2×(-
)
(12)-22-(1-
×0.2)÷(-2)3
(13)99
×(-9)
(14)-36
÷9
(15)(-7)×(+5)-90÷(-15)
(16)(-
)×(-18)-(+0.25)×(-6)÷(-5)
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(1)-
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 7 |
| 1 |
| 4 |
| 6 |
| 7 |
(2)3.75-(-
| 1 |
| 2 |
| 2 |
| 3 |
| 3 |
| 4 |
(3)3
| 2 |
| 5 |
| 7 |
| 8 |
| 5 |
| 12 |
| 3 |
| 5 |
| 1 |
| 8 |
| 5 |
| 12 |
(4)(-4
| 5 |
| 8 |
| 3 |
| 8 |
| 1 |
| 4 |
(5)(-123)+3
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 3 |
| 4 |
(6)25×
| 3 |
| 4 |
| 1 |
| 4 |
(7)(-3)2÷2
| 1 |
| 4 |
| 2 |
| 3 |
| 1 |
| 3 |
(8)(-79)÷2
| 1 |
| 4 |
| 4 |
| 9 |
(9)[30-(
| 7 |
| 9 |
| 5 |
| 6 |
| 11 |
| 12 |
(10)(-1)3-(1-
| 1 |
| 2 |
(11)(
| 1 |
| 4 |
| 1 |
| 12 |
| 7 |
| 18 |
| 1 |
| 36 |
| 1 |
| 36 |
| 1 |
| 3 |
(12)-22-(1-
| 1 |
| 5 |
(13)99
| 17 |
| 18 |
(14)-36
| 9 |
| 11 |
(15)(-7)×(+5)-90÷(-15)
(16)(-
| 2 |
| 3 |
计算:
=
;
= .
|
日 |
一 |
二 |
三 |
四 |
五 |
六 |
|
|
|
1 |
2 |
3 |
4 |
5 |
|
6 |
7 |
8 |
9 |
10 |
11 |
12 |
|
13 |
14 |
15 |
16 |
17 |
18 |
19 |
|
20 |
21 |
22 |
23 |
24 |
25 |
26 |
|
27 |
28 |
29 |
30 |
31 |
|
|
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