问题
解答题
(1)3
(2)
(3)
(4)(
(5)
(6)
(7)
(8)32÷(-3)2+|-
|
答案
(1)原式=6
-202 2
=-14
;2
(2)原式=3
-62
+52 2
=2
;2
(3)原式=12×6
=72
=6
;2
(4)原式=(
)22×5
=10;
(5)原式=
-512×3
=
-536
=6-5
=1;
(6)原式=6×3 2
=18 2
=3;
(7)原式=
-6+1 3 3 5
=-5
.1 15
(8)原式=9÷9+
×(-6)+71 6
=1-1+7
=7.