问题
解答题
计算: (1)-20+(-14)-(-18)-13; (2)(-1.5)×
(3)
(4)(-
(5)-22+8÷(-2)3+(-4)×(-3)-(-1)2012. |
答案
(1)原式=-20-14+18-13
=-47+18
=-29;
(2)原式=-
×3 2
×(-4 5
)×5 2 3 4
=
;9 4
(3)原式=1+4
=5;
(4)原式=(-
-3 4
+5 9
)×367 12
=-
×36-3 4
×36+5 9
×367 12
=-27-20+21
=-26;
(5)原式=-4+8×(-
)+12-(-1)1 8
=-4-1+12+1
=8.