问题
解答题
计算:
(1)(-2)3+2×(-3);
(2)-24+(3-7)2-5.
答案
(1)(-2)3+2×(-3)
=-8+(-6)
=-14;
(2)-24+(3-7)2-5
=-16+16-5
=-5.
计算:
(1)(-2)3+2×(-3);
(2)-24+(3-7)2-5.
(1)(-2)3+2×(-3)
=-8+(-6)
=-14;
(2)-24+(3-7)2-5
=-16+16-5
=-5.