计算下面各题(能简算的要简算)56-45+31045-(38+14)57-(1314-12)79-(16-29)12+45-12+451914-(14+514)+14.-数学

题目简介

计算下面各题(能简算的要简算)56-45+31045-(38+14)57-(1314-12)79-(16-29)12+45-12+451914-(14+514)+14.-数学

题目详情

计算下面各题(能简算的要简算)
5
6
-
4
5
+
3
10
4
5
-(
3
8
+
1
4
5
7
-(
13
14
-
1
2
7
9
-(
1
6
-
2
9
1
2
+
4
5
-
1
2
+
4
5
19
14
-(
1
4
+
5
14
)+
1
4
题型:解答题难度:中档来源:不详

答案

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

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

=class="stub"1
3


(2)class="stub"4
5
-(class="stub"3
8
+class="stub"1
4
),
=class="stub"4
5
-class="stub"5
8

=class="stub"7
40


(3)class="stub"5
7
-(class="stub"13
14
-class="stub"1
2
),
=class="stub"5
7
-class="stub"3
7

=class="stub"2
7


(4)class="stub"7
9
-(class="stub"1
6
-class="stub"2
9
),
=class="stub"7
9
-class="stub"1
6
+class="stub"2
9

=class="stub"7
9
+class="stub"2
9
-class="stub"1
6

=1-class="stub"1
6

=class="stub"5
6


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

=(class="stub"1
2
-class="stub"1
2
)+(class="stub"4
5
+class="stub"4
5
),
=0+class="stub"8
5

=class="stub"8
5


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

=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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