问题
解答题
计算题 (1)24+(-14)+(-16)+6 (2)(
(3)(-3)2-[(-
(4)0.25×(-2)3-[4+(-
|
答案
(1)原式=(24+16)+[(-14)+(-16)]
=40+(-40)
=0;
(2)原式=-18+20-21
=-19;
(3)原式=9-(-
)×1211 12
=9+11
=20;
(4)原式=0.25×(-8)-(4+
+1)-14 9
=-2-10-1
=-13.