题目内容

简算
16.45-(4.45+
3
7
)

36×(
2
3
+
3
4
-0.5)

4
7
×0.75+
3
4
÷
7
3
-
3
4
(1)16.45-(4.45+
3
7
)

=16.45-4.45-
3
7

=12-
3
7

=11
4
7


(2)36×(
2
3
+
3
4
-0.5)

=36×
2
3
+
36×
3
4
+36×0.5,
=24+27+18,
=69;

(3)
4
7
×0.75+
3
4
÷
7
3
-
3
4

=(
4
7
+
3
7
-
1)×
3
4

=0×
3
4

=0.
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