摘要:A.0.4 B.0.34 C.0.16 D.0.1
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计算:
(1)(-
)×(3-1
-0.16)
(2)25×
-(-25)×
+25×(-
)
(3)-22-(-2)2×0.25÷
(4)3x2-[7x-(4x-3)-2x2]. 查看习题详情和答案>>
(1)(-
| 3 |
| 4 |
| 1 |
| 3 |
(2)25×
| 3 |
| 4 |
| 1 |
| 2 |
| 1 |
| 4 |
(3)-22-(-2)2×0.25÷
| 1 |
| 2 |
(4)3x2-[7x-(4x-3)-2x2]. 查看习题详情和答案>>
计算:
(1)-16+23+(-17)-(-7);
(2)(-
)+(-
)-(-
)-(+
)-(-
)
(3)(-
+
-
)×(-16)
(4)-14+(1-0.5)×
×〔2-(-3)2〕
查看习题详情和答案>>
(1)-16+23+(-17)-(-7);
(2)(-
| 1 |
| 8 |
| 1 |
| 4 |
| 3 |
| 8 |
| 1 |
| 2 |
| 3 |
| 4 |
(3)(-
| 1 |
| 2 |
| 3 |
| 4 |
| 5 |
| 8 |
(4)-14+(1-0.5)×
| 1 |
| 3 |