摘要:+ + 4 (23) 2 ÷ × (24) 1.75 ÷ − × ÷ (26) 2 × 7 − 2 × + ÷ −14 − × [2 − 2] − | − 0.52|
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计算:
(1)-2+(-3)-(+1)-(-6)
(2)-81÷|-2
|×
÷(-16)
(3)9
×5-12×(
+
-
)
(4)-22+[12-(-3)×2]÷(-3)
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(1)-2+(-3)-(+1)-(-6)
(2)-81÷|-2
| 1 |
| 4 |
| 4 |
| 9 |
(3)9
| 4 |
| 5 |
| 1 |
| 4 |
| 1 |
| 6 |
| 1 |
| 2 |
(4)-22+[12-(-3)×2]÷(-3)