问题
解答题
(1)18-6÷(-2)×(-
(2)(
(3)(-3)2×{-
(4)0-23÷(-4)3-
|
答案
(1)18-6÷(-2)×(-
) 1 3
=18-3×1 3
=18-1
=17;
(2)(
+1 4
-1 6
)×(-12)1 2
=
×(-12)+1 4
×(-12)-1 6
×(-12)1 2
=-3-2+6
=1;
(3)(-3)2×{-
+(-2 3
)} 5 9
=9×{-
} 11 9
=-11;
(4)0-23÷(-4)3-1 8
=0-8÷(-64)-1 8
=0+
-1 8 1 8
=0.