问题
解答题
计算: (1)(-2)2+32×(-
(2)(-1)2003+(-32)×|-
|
答案
(1)原式=4+9×(-
)+2 9
×3 5 25 9
=4-2+5 3
=
;11 3
(2)原式=-1-9×
-16÷162 9
=-1-2-1
=-4.
计算: (1)(-2)2+32×(-
(2)(-1)2003+(-32)×|-
|
(1)原式=4+9×(-
)+2 9
×3 5 25 9
=4-2+5 3
=
;11 3
(2)原式=-1-9×
-16÷162 9
=-1-2-1
=-4.