问题
解答题
(1)6
(2)(
|
答案
(1)原式=6
(2
-2 4
)-86 3
=6
×2
-62 4
×2
-86 3
=3-12
-83 3
=3-20
;3
(2)原式=(
+1)(3
-1)×(1-3
)+3×3
×2 3
-|1-
×1 5 3 8
|3
=2-2
+3
+1-30 10 3
=3-3
+3
.30 10
(1)6
(2)(
|
(1)原式=6
(2
-2 4
)-86 3
=6
×2
-62 4
×2
-86 3
=3-12
-83 3
=3-20
;3
(2)原式=(
+1)(3
-1)×(1-3
)+3×3
×2 3
-|1-
×1 5 3 8
|3
=2-2
+3
+1-30 10 3
=3-3
+3
.30 10