计算:12+710+2557-(18+37)17+16+67+5634+56-78119-(29-16)3-79-29+14.-数学

题目简介

计算:12+710+2557-(18+37)17+16+67+5634+56-78119-(29-16)3-79-29+14.-数学

题目详情

计算:
1
2
+
7
10
+
2
5
5
7
-(
1
8
+
3
7
1
7
+
1
6
+
6
7
+
5
6
3
4
+
5
6
-
7
8
11
9
-(
2
9
-
1
6
3-
7
9
-
2
9
+
1
4
题型:解答题难度:中档来源:不详

答案

(1)class="stub"1
2
+class="stub"7
10
+class="stub"2
5

=class="stub"5
10
+class="stub"7
10
+class="stub"4
10

=class="stub"8
5


(2)class="stub"5
7
-(class="stub"1
8
+class="stub"3
7

=class="stub"5
7
-class="stub"3
7
-class="stub"1
8

=class="stub"2
7
-class="stub"1
8

=class="stub"16
56
-class="stub"7
56

=class="stub"9
56


(3)class="stub"1
7
+class="stub"1
6
+class="stub"6
7
+class="stub"5
6

=(class="stub"1
7
+class="stub"6
7
)+(class="stub"1
6
+class="stub"5
6
),
=1+1,
=2;

(4)class="stub"3
4
+class="stub"5
6
-class="stub"7
8

=class="stub"18
24
+class="stub"20
24
-class="stub"21
24

=class="stub"17
24


(5)class="stub"11
9
-(class="stub"2
9
-class="stub"1
6

=class="stub"11
9
-
class="stub"2
9
+class="stub"1
6

=1+class="stub"1
6

=1class="stub"1
6


(6)3-class="stub"7
9
-class="stub"2
9
+class="stub"1
4

=3-(class="stub"7
9
+class="stub"2
9
)+class="stub"1
4

=3-1+class="stub"1
4

=2+class="stub"1
4

=2class="stub"1
4

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