问题 填空题
计算:
3
×
6
-
2
= ;
48
-
3
= ;
(-
2
)
2
= ;
8
×
2
= ;
8
-
1
2
= ;
18
-
32
+
2
= .
答案

3
×
6
-
2
=
18
-
2
=3
2
-
2
=2
2

48
-
3
=4
3
-
3
=3
3

(-
2
)
2
=
2

8
×
2
=
16
=4;

8
-
1
2
=2
2
-
2
2
=
3
2
2

18
-
32
+
2
=3
2
-4
2
+
2
=0.

故答案为:2

2
;3
3
2
;4;
3
2
2
;0.

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