问题
解答题
计算下列各题. (1)
(2)
(3)
(4)
|
答案
(1)原式=1 3
+0.09 1 5 0.25
=
×1 3
+3 10
×1 5 1 2
=2 10
=0.2;
(2)原式=
-6+1 5 3 5
=-
;26 5
(3)原式=-1+1+1
=1;
(4)原式=
+|2
-2|-2
÷(-(-16)2
)×1 2 3 -8
=
+2-2
-16÷(-2
)×(-2)1 2
=2-64
=-62.