问题
解答题
计算下列各题:
(1)(-3×2)3+3×23;
(2)-24-(-2)÷4;
(3)-2÷(-4)-2.
答案
(1)原式=(-6)3+3×8
=-216+24,
=-192;
(2)原式=-24-(-0.5)
=-24+0.5,
=-23.5;
(3)原式=0.5-2
=-1.5.
计算下列各题:
(1)(-3×2)3+3×23;
(2)-24-(-2)÷4;
(3)-2÷(-4)-2.
(1)原式=(-6)3+3×8
=-216+24,
=-192;
(2)原式=-24-(-0.5)
=-24+0.5,
=-23.5;
(3)原式=0.5-2
=-1.5.