问题
解答题
计算或化简:
(1)(-3)0+(+0.2)2013×(+5)2014
(2)2(x+4)(x-4)
答案
(1)原式=1+(0.2×5)2013×5
=1+5
=6;
(2)原式=2(x2-16)
=2x2-32.
计算或化简:
(1)(-3)0+(+0.2)2013×(+5)2014
(2)2(x+4)(x-4)
(1)原式=1+(0.2×5)2013×5
=1+5
=6;
(2)原式=2(x2-16)
=2x2-32.