脱式计算.1-34+51825+25+25-8945-(710-1320)910-(16+23)-数学

题目简介

脱式计算.1-34+51825+25+25-8945-(710-1320)910-(16+23)-数学

题目详情

脱式计算.
1-
3
4
+
5
18

2
5
+
2
5
+
2
5
-
8
9

4
5
-(
7
10
-
13
20
)            
9
10
-(
1
6
+
2
3
题型:解答题难度:中档来源:不详

答案

(1)1-class="stub"3
4
+class="stub"5
18

=class="stub"1
4
+class="stub"5
18

=class="stub"19
36


(2)class="stub"2
5
+class="stub"2
5
+class="stub"2
5
-class="stub"8
9

=class="stub"4
5
+class="stub"2
5
-class="stub"8
9

=class="stub"6
5
-class="stub"8
9

=class="stub"14
45


(3)class="stub"4
5
-(class="stub"7
10
-class="stub"13
20
),
=class="stub"4
5
-class="stub"1
20

=class="stub"3
4


(4)class="stub"9
10
-(class="stub"1
6
+class="stub"2
3
),
=class="stub"9
10
-class="stub"5
6

=class="stub"1
15

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