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(2010•宜昌)用自己喜欢的方法计算.405-(382-249)+105501-18×23+59713+(710-25)÷35(13+16)×50%(952-68)÷34+11×2212.5×(11.06-3.06)×15%

题目详情
(2010•宜昌)用自己喜欢的方法计算.
405-(382-249)+105              
501-18×23+597
1
3
+(
7
10
-
2
5
)÷
3
5

1
3
+
1
6
)×50%
(952-68)÷34+11×22               
12.5×(11.06-3.06)×15%
▼优质解答
答案和解析
(1)405-(382-249)+105,
=405-133+105,
=272+105,
=377;

(2)501-18×23+597,
=501-414+597,
=87+597,
=684;

(3)
1
3
+(
7
10
-
2
5
)÷
3
5

=
1
3
+
3
10
÷
3
5

=
1
3
+
1
2

=
5
6


(4)(
1
3
+
1
6
)×50%,
=
1
2
×50%,
=
1
4


(5)(952-68)÷34+11×22,
=884÷34+11×22,
=26+242,
=268;

(6)12.5×(11.06-3.06)×15%,
=12.5×8×15%,
=100×15%,
=15.