计算下面各题,怎样简便就怎样计算.35-(12-14)310+15-1389-(16+13)15-5÷12-71259-37+49-4735+35+35.-数学

题目简介

计算下面各题,怎样简便就怎样计算.35-(12-14)310+15-1389-(16+13)15-5÷12-71259-37+49-4735+35+35.-数学

题目详情

计算下面各题,怎样简便就怎样计算.
3
5
-(
1
2
-
1
4
3
10
+
1
5
-
1
3
8
9
-(
1
6
+
1
3
15-5÷12-
7
12
5
9
-
3
7
+
4
9
-
4
7
3
5
+
3
5
+
3
5
题型:解答题难度:中档来源:不详

答案

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

=class="stub"7
20


class="stub"3
10
+class="stub"1
5
-class="stub"1
3

=class="stub"1
2
-class="stub"1
3

=class="stub"1
6


class="stub"8
9
-(class="stub"1
6
+class="stub"1
3
),
=class="stub"8
9
-class="stub"1
2

=class="stub"7
18


④15-5÷12-class="stub"7
12

=15-class="stub"5
12
-class="stub"7
12

=15-(class="stub"5
12
+class="stub"7
12
),
=15-1,
=14;

class="stub"5
9
-class="stub"3
7
+class="stub"4
9
-class="stub"4
7

=(class="stub"5
9
+class="stub"4
9
)-(class="stub"3
7
+class="stub"4
7
),
=1-1,
=0;

class="stub"3
5
+class="stub"3
5
+class="stub"3
5

=class="stub"9
5

更多内容推荐