问题 填空题
脱式计算.
10×(36+300÷12)
2
3
-
1
2
÷
5
3
×
5
6
8
9
÷[
4
3
×(
2
5
+
1
10
)]
答案

(1)10×(36+300÷12),

=10×(36+25),

=610;

(2)(

2
3
-
1
2
÷
5
3
×
5
6

=

1
6
×
3
5
×
5
6

=

1
12

(3)

8
9
÷[
4
3
×
2
5
+
1
10
)],

=

8
9
÷[
4
3
×
1
2
],

=

8
9
×
3
2

=

4
3

=1

1
3

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