问题 解答题
脱式计算.(能简算的要简算)
(1)
1
4
÷
1
3
+
2
3
÷
1
2

(2)36×
5
8
+24÷
8
5

(3)(
3
4
-
2
3
)÷
5
12
答案

(1)

1
4
÷
1
3
+
2
3
÷
1
2

=

1
4
×3+
2
3
×2,

=

3
4
+
4
3

=2

1
12

(2)36×

5
8
+24÷
8
5

=36×

5
8
+24×
5
8

=(36+24)×

5
8

=60×

5
8

=37

1
2

(3)(

3
4
-
2
3
)÷
5
12

=

1
12
×
12
5

=

1
5

解答题
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