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简便运算.(1)738-(138-59)(2)135%×56+1.35÷6(3)6.24÷0.6-1.6×0.25%

题目详情
简便运算.
(1)7
3
8
-(1
3
8
-
5
9
)
(2)135%×
5
6
+1.35÷6
(3)6.24÷0.6-1.6×0.25%
▼优质解答
答案和解析
(1)7
3
8
-(1
3
8
-
5
9
)
=7
3
8
-1
3
8
+
5
9

=6+
5
9

=6
5
9

(2)135%×
5
6
+1.35÷6
=1.35×
5
6
+1.35×
1
6

=1.35×(
5
6
+
1
6
)
=1.35×1
=1.35
(3)6.24÷0.6-1.6×0.25%
=10.4-0.004
=10.396