早教吧 育儿知识 作业答案 考试题库 百科 知识分享

脱式计算,能简算就简算,并写出过程.①14÷(3-513-813);②(16+18)×24×17;③17.63×37+17.63×82-176.3×1.9;④47×[58-(512-38)].

题目详情

1
4
÷(3-
5
13
-
8
13
);                   
②(
1
6
+
1
8
)×24×
1
7

③17.63×37+17.63×82-176.3×1.9;    
4
7
×[
5
8
-(
5
12
-
3
8
)].
1
4
1144
5
13
-
8
13
);                   
②(
1
6
+
1
8
)×24×
1
7

③17.63×37+17.63×82-176.3×1.9;    
4
7
×[
5
8
-(
5
12
-
3
8
)].
5
13
551313
8
13
);                   
②(
1
6
+
1
8
)×24×
1
7

③17.63×37+17.63×82-176.3×1.9;    
4
7
×[
5
8
-(
5
12
-
3
8
)].
8
13
881313
1
6
+
1
8
)×24×
1
7

③17.63×37+17.63×82-176.3×1.9;    
4
7
×[
5
8
-(
5
12
-
3
8
)].
1
6
1166
1
8
)×24×
1
7

③17.63×37+17.63×82-176.3×1.9;    
4
7
×[
5
8
-(
5
12
-
3
8
)].
1
8
1188
1
7

③17.63×37+17.63×82-176.3×1.9;    
4
7
×[
5
8
-(
5
12
-
3
8
)].
1
7
1177

4
7
×[
5
8
-(
5
12
-
3
8
)].
4
7
4477
5
8
-(
5
12
-
3
8
)].
5
8
5588
5
12
-
3
8
)].
5
12
551212
3
8
)].
3
8
3388
▼优质解答
答案和解析
1
4
÷(3-
5
13
-
8
13

=
1
4
÷[3-(
5
13
+
8
13
)]
=
1
4
÷[3-1]
=
1
4
×
1
2

=
1
8


②(
1
6
+
1
8
)×24×
1
7

=
1
6
×24×
1
7
+
1
8
×24×
1
7

=
4
7
+
3
7

=1;

③17.63×37+17.63×82-176.3×1.9
=17.63×(37+82-19)
=17.63×100
=1763;

4
7
×[
5
8
-(
5
12
-
3
8
)]
=
4
7
×[
5
8
+
3
8
-
5
12
]
=
4
7
×
7
12

=
1
3
1
4
111444÷(3-
5
13
-
8
13

=
1
4
÷[3-(
5
13
+
8
13
)]
=
1
4
÷[3-1]
=
1
4
×
1
2

=
1
8


②(
1
6
+
1
8
)×24×
1
7

=
1
6
×24×
1
7
+
1
8
×24×
1
7

=
4
7
+
3
7

=1;

③17.63×37+17.63×82-176.3×1.9
=17.63×(37+82-19)
=17.63×100
=1763;

4
7
×[
5
8
-(
5
12
-
3
8
)]
=
4
7
×[
5
8
+
3
8
-
5
12
]
=
4
7
×
7
12

=
1
3
5
13
555131313-
8
13

=
1
4
÷[3-(
5
13
+
8
13
)]
=
1
4
÷[3-1]
=
1
4
×
1
2

=
1
8


②(
1
6
+
1
8
)×24×
1
7

=
1
6
×24×
1
7
+
1
8
×24×
1
7

=
4
7
+
3
7

=1;

③17.63×37+17.63×82-176.3×1.9
=17.63×(37+82-19)
=17.63×100
=1763;

4
7
×[
5
8
-(
5
12
-
3
8
)]
=
4
7
×[
5
8
+
3
8
-
5
12
]
=
4
7
×
7
12

=
1
3
8
13
888131313)
=
1
4
÷[3-(
5
13
+
8
13
)]
=
1
4
÷[3-1]
=
1
4
×
1
2

=
1
8


②(
1
6
+
1
8
)×24×
1
7

=
1
6
×24×
1
7
+
1
8
×24×
1
7

=
4
7
+
3
7

=1;

③17.63×37+17.63×82-176.3×1.9
=17.63×(37+82-19)
=17.63×100
=1763;

4
7
×[
5
8
-(
5
12
-
3
8
)]
=
4
7
×[
5
8
+
3
8
-
5
12
]
=
4
7
×
7
12

=
1
3
1
4
111444÷[3-(
5
13
+
8
13
)]
=
1
4
÷[3-1]
=
1
4
×
1
2

=
1
8


②(
1
6
+
1
8
)×24×
1
7

=
1
6
×24×
1
7
+
1
8
×24×
1
7

=
4
7
+
3
7

=1;

③17.63×37+17.63×82-176.3×1.9
=17.63×(37+82-19)
=17.63×100
=1763;

4
7
×[
5
8
-(
5
12
-
3
8
)]
=
4
7
×[
5
8
+
3
8
-
5
12
]
=
4
7
×
7
12

=
1
3
5
13
555131313+
8
13
)]
=
1
4
÷[3-1]
=
1
4
×
1
2

=
1
8


②(
1
6
+
1
8
)×24×
1
7

=
1
6
×24×
1
7
+
1
8
×24×
1
7

=
4
7
+
3
7

=1;

③17.63×37+17.63×82-176.3×1.9
=17.63×(37+82-19)
=17.63×100
=1763;

4
7
×[
5
8
-(
5
12
-
3
8
)]
=
4
7
×[
5
8
+
3
8
-
5
12
]
=
4
7
×
7
12

=
1
3
8
13
888131313)]
=
1
4
÷[3-1]
=
1
4
×
1
2

=
1
8


②(
1
6
+
1
8
)×24×
1
7

=
1
6
×24×
1
7
+
1
8
×24×
1
7

=
4
7
+
3
7

=1;

③17.63×37+17.63×82-176.3×1.9
=17.63×(37+82-19)
=17.63×100
=1763;

4
7
×[
5
8
-(
5
12
-
3
8
)]
=
4
7
×[
5
8
+
3
8
-
5
12
]
=
4
7
×
7
12

=
1
3
1
4
111444÷[3-1]
=
1
4
×
1
2

=
1
8


②(
1
6
+
1
8
)×24×
1
7

=
1
6
×24×
1
7
+
1
8
×24×
1
7

=
4
7
+
3
7

=1;

③17.63×37+17.63×82-176.3×1.9
=17.63×(37+82-19)
=17.63×100
=1763;

4
7
×[
5
8
-(
5
12
-
3
8
)]
=
4
7
×[
5
8
+
3
8
-
5
12
]
=
4
7
×
7
12

=
1
3
1
4
111444×
1
2

=
1
8


②(
1
6
+
1
8
)×24×
1
7

=
1
6
×24×
1
7
+
1
8
×24×
1
7

=
4
7
+
3
7

=1;

③17.63×37+17.63×82-176.3×1.9
=17.63×(37+82-19)
=17.63×100
=1763;

4
7
×[
5
8
-(
5
12
-
3
8
)]
=
4
7
×[
5
8
+
3
8
-
5
12
]
=
4
7
×
7
12

=
1
3
1
2
111222
=
1
8


②(
1
6
+
1
8
)×24×
1
7

=
1
6
×24×
1
7
+
1
8
×24×
1
7

=
4
7
+
3
7

=1;

③17.63×37+17.63×82-176.3×1.9
=17.63×(37+82-19)
=17.63×100
=1763;

4
7
×[
5
8
-(
5
12
-
3
8
)]
=
4
7
×[
5
8
+
3
8
-
5
12
]
=
4
7
×
7
12

=
1
3
1
8
111888;

②(
1
6
+
1
8
)×24×
1
7

=
1
6
×24×
1
7
+
1
8
×24×
1
7

=
4
7
+
3
7

=1;

③17.63×37+17.63×82-176.3×1.9
=17.63×(37+82-19)
=17.63×100
=1763;

4
7
×[
5
8
-(
5
12
-
3
8
)]
=
4
7
×[
5
8
+
3
8
-
5
12
]
=
4
7
×
7
12

=
1
3
1
6
111666+
1
8
)×24×
1
7

=
1
6
×24×
1
7
+
1
8
×24×
1
7

=
4
7
+
3
7

=1;

③17.63×37+17.63×82-176.3×1.9
=17.63×(37+82-19)
=17.63×100
=1763;

4
7
×[
5
8
-(
5
12
-
3
8
)]
=
4
7
×[
5
8
+
3
8
-
5
12
]
=
4
7
×
7
12

=
1
3
1
8
111888)×24×
1
7

=
1
6
×24×
1
7
+
1
8
×24×
1
7

=
4
7
+
3
7

=1;

③17.63×37+17.63×82-176.3×1.9
=17.63×(37+82-19)
=17.63×100
=1763;

4
7
×[
5
8
-(
5
12
-
3
8
)]
=
4
7
×[
5
8
+
3
8
-
5
12
]
=
4
7
×
7
12

=
1
3
1
7
111777
=
1
6
×24×
1
7
+
1
8
×24×
1
7

=
4
7
+
3
7

=1;

③17.63×37+17.63×82-176.3×1.9
=17.63×(37+82-19)
=17.63×100
=1763;

4
7
×[
5
8
-(
5
12
-
3
8
)]
=
4
7
×[
5
8
+
3
8
-
5
12
]
=
4
7
×
7
12

=
1
3
1
6
111666×24×
1
7
+
1
8
×24×
1
7

=
4
7
+
3
7

=1;

③17.63×37+17.63×82-176.3×1.9
=17.63×(37+82-19)
=17.63×100
=1763;

4
7
×[
5
8
-(
5
12
-
3
8
)]
=
4
7
×[
5
8
+
3
8
-
5
12
]
=
4
7
×
7
12

=
1
3
1
7
111777+
1
8
×24×
1
7

=
4
7
+
3
7

=1;

③17.63×37+17.63×82-176.3×1.9
=17.63×(37+82-19)
=17.63×100
=1763;

4
7
×[
5
8
-(
5
12
-
3
8
)]
=
4
7
×[
5
8
+
3
8
-
5
12
]
=
4
7
×
7
12

=
1
3
1
8
111888×24×
1
7

=
4
7
+
3
7

=1;

③17.63×37+17.63×82-176.3×1.9
=17.63×(37+82-19)
=17.63×100
=1763;

4
7
×[
5
8
-(
5
12
-
3
8
)]
=
4
7
×[
5
8
+
3
8
-
5
12
]
=
4
7
×
7
12

=
1
3
1
7
111777
=
4
7
+
3
7

=1;

③17.63×37+17.63×82-176.3×1.9
=17.63×(37+82-19)
=17.63×100
=1763;

4
7
×[
5
8
-(
5
12
-
3
8
)]
=
4
7
×[
5
8
+
3
8
-
5
12
]
=
4
7
×
7
12

=
1
3
4
7
444777+
3
7

=1;

③17.63×37+17.63×82-176.3×1.9
=17.63×(37+82-19)
=17.63×100
=1763;

4
7
×[
5
8
-(
5
12
-
3
8
)]
=
4
7
×[
5
8
+
3
8
-
5
12
]
=
4
7
×
7
12

=
1
3
3
7
333777
=1;

③17.63×37+17.63×82-176.3×1.9
=17.63×(37+82-19)
=17.63×100
=1763;

4
7
×[
5
8
-(
5
12
-
3
8
)]
=
4
7
×[
5
8
+
3
8
-
5
12
]
=
4
7
×
7
12

=
1
3
4
7
444777×[
5
8
-(
5
12
-
3
8
)]
=
4
7
×[
5
8
+
3
8
-
5
12
]
=
4
7
×
7
12

=
1
3
5
8
555888-(
5
12
-
3
8
)]
=
4
7
×[
5
8
+
3
8
-
5
12
]
=
4
7
×
7
12

=
1
3
5
12
555121212-
3
8
)]
=
4
7
×[
5
8
+
3
8
-
5
12
]
=
4
7
×
7
12

=
1
3
3
8
333888)]
=
4
7
×[
5
8
+
3
8
-
5
12
]
=
4
7
×
7
12

=
1
3
4
7
444777×[
5
8
+
3
8
-
5
12
]
=
4
7
×
7
12

=
1
3
5
8
555888+
3
8
-
5
12
]
=
4
7
×
7
12

=
1
3
3
8
333888-
5
12
]
=
4
7
×
7
12

=
1
3
5
12
555121212]
=
4
7
×
7
12

=
1
3
4
7
444777×
7
12

=
1
3
7
12
777121212
=
1
3
1
3
111333.