问题 填空题
计算:(1)
9
=______(2)
12
=______(3)
2
×
3
=______(4)
15
3
=______
(5)
1
2
=______(6)
8
-2
2
=______(7)
3
(
6
-
3
)
=______(8)
6
-
2
2
=______
答案

(1)

9
=3;

(2)

12
=2
3

(3)

2
×
3
=
6

(4)

15
3
=
5

(5)

1
2
=
2
2

(6)

8
-2
2
=0;

(7)

3
(
6
-
3
)=3
2
-3;

(8)

6
-
2
2
=
3
-1.

故答案为:3;2

3
6
5
2
2
;0;3
2
-3;
3
-1.

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