问题
解答题
计算: (1)(-3)2×23-(-4)÷2=______ (2)(-
|
答案
(1)(-3)2×23-(-4)÷2,
=9×8+2,
=74;
(2)(-
+3 4
-1 6
)×12+(-1)2011,3 8
=-9+2-4.5-1,
=-12.5.
故答案为:(1)74,(2)-12.5.
计算: (1)(-3)2×23-(-4)÷2=______ (2)(-
|
(1)(-3)2×23-(-4)÷2,
=9×8+2,
=74;
(2)(-
+3 4
-1 6
)×12+(-1)2011,3 8
=-9+2-4.5-1,
=-12.5.
故答案为:(1)74,(2)-12.5.