问题
解答题
计算:(1)(-2)3+
(2)|9
|
答案
(1)(-2)3+
×4 3
-(-2.8)÷0.19 2
=-8+6+28
=26;
(2)|9
-135 19
|+53 26
-723 26 14 19
=13
-93 26
+55 19
-723 26 14 19
=19-17
=2.
计算:(1)(-2)3+
(2)|9
|
(1)(-2)3+
×4 3
-(-2.8)÷0.19 2
=-8+6+28
=26;
(2)|9
-135 19
|+53 26
-723 26 14 19
=13
-93 26
+55 19
-723 26 14 19
=19-17
=2.