(1)(﹣a3)2+a6=_____.
(2)2a5b•(﹣ab)3=_____.
(3)
=_____.
(4)(﹣a)3(﹣a)4=_____.
(5)(x+2)(x﹣3)=_____.
(6)(2×103)×(5×104)=_____.(用科学记数法表示)
(2)2a5b•(﹣ab)3=_____.
(3)

(4)(﹣a)3(﹣a)4=_____.
(5)(x+2)(x﹣3)=_____.
(6)(2×103)×(5×104)=_____.(用科学记数法表示)
计算
(1)6-(+3)-(-7)+(-2);
(2)(-
-
+
)×(-36)
(3) (﹣2)2+3×(﹣1)2016﹣(﹣4)×2 .
(4)6x2y-(-2x2y)
(5)(3a-2) -2(a-1)
(1)6-(+3)-(-7)+(-2);
(2)(-



(3) (﹣2)2+3×(﹣1)2016﹣(﹣4)×2 .
(4)6x2y-(-2x2y)
(5)(3a-2) -2(a-1)