试题:
计算
(1)(-2)3+(-1)2013-(
3
5
)0

(2)(3a+5b)(-3a-8b)

答案:

我来补答
(1)(-2)3+(-1)2013-(
3
5
)0

=-8-1-1
=-10;

(2)(3a+5b)(-3a-8b)
=-9a2-24ab-15ab-40b2
=-9a2-39ab-40b2
 
 
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