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①(-3)+(-4)-(-11)-(-9)
②(-7)×(-5)-90÷(-3)
③|-5
|×(-
)×
÷1
④17-8÷(-2)+4×(-3)
⑤(
-
-
)×(-30)-8÷(-2)2
⑥-14-(1-0.5)×
×[2-(-3)2].
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②(-7)×(-5)-90÷(-3)
③|-5
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| 11 |
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④17-8÷(-2)+4×(-3)
⑤(
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| 5 |
⑥-14-(1-0.5)×
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