问题
解答题
计算: (1)
(2)(2
|
答案
(1)
+1+2
(3
-3
)+6 8
=
+1+3-32
+22 2
=4;
(2)(2
-348
)÷27 6
=(8
-93
)÷3 6
=-
÷3 6
=-
.2 2
计算: (1)
(2)(2
|
(1)
+1+2
(3
-3
)+6 8
=
+1+3-32
+22 2
=4;
(2)(2
-348
)÷27 6
=(8
-93
)÷3 6
=-
÷3 6
=-
.2 2