计算下列各题,能简便的要简算:33-79-291325-1350+1512+(23-14)56+34-1312+45-5658-23+381914-14-514+1423-29+13-79.-数学

题目简介

计算下列各题,能简便的要简算:33-79-291325-1350+1512+(23-14)56+34-1312+45-5658-23+381914-14-514+1423-29+13-79.-数学

题目详情

计算下列各题,能简便的要简算:
33-
7
9
-
2
9

13
25
-
13
50
+
1
5

1
2
+(
2
3
-
1
4

5
6
+
3
4
-
1
3
1
2
+
4
5
-
5
6
5
8
-
2
3
+
3
8
19
14
-
1
4
-
5
14
+
1
4
2
3
-
2
9
+
1
3
-
7
9
题型:解答题难度:中档来源:不详

答案

(1)33-class="stub"7
9
-class="stub"2
9

=33-(class="stub"7
9
+class="stub"2
9
),
=33-1,
=32;

(2)class="stub"13
25
-class="stub"13
50
+class="stub"1
5

=class="stub"13
50
+class="stub"1
5

=class="stub"23
50


(3)class="stub"1
2
+(class="stub"2
3
-class="stub"1
4
),
=class="stub"1
2
+class="stub"1
12

=class="stub"7
12


(4)class="stub"1
2
+class="stub"4
5
-class="stub"5
6

=class="stub"13
10
-class="stub"5
6

=class="stub"7
15


(5)class="stub"5
8
-class="stub"2
3
+class="stub"3
8

=(class="stub"5
8
+class="stub"3
8
)-class="stub"2
3

=1-class="stub"2
3

=class="stub"1
3


(6)class="stub"19
14
-class="stub"1
4
-class="stub"5
14
+class="stub"1
4

=(class="stub"19
14
-class="stub"5
14
)+(class="stub"1
4
-class="stub"1
4
),
=1-0,
=1.

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