计算:(1)-|-1834|+(+4312)-|-(-1313)|+|-7012|;(2)(-2×5)3-(-179)×(-34)2-(-10.1)2;(3)23+(56+2.8+13)-(245-56);(4)-14-(1-0.5)×(23)2÷[-2-(-3)2].-数学
题文
计算: (1)-|-18
(2)(-2×5)3-(-1
(3)
(4)-14-(1-0.5)×(
|
答案
(1)原式=-18
=(43
=114-(18+13)-(
=114-31-
=83-
=81
(2)原式=(-10)3-(-
|