能简算要简算.35+23-5678-512+1610-14-3458+(23-58)6.39-47+3.61-3715+18-15+78.-数学

题目简介

能简算要简算.35+23-5678-512+1610-14-3458+(23-58)6.39-47+3.61-3715+18-15+78.-数学

题目详情

能简算要简算.
3
5
+
2
3
-
5
6
7
8
-
5
12
+
1
6
10-
1
4
-
3
4
5
8
+(
2
3
-
5
8
6.39-
4
7
+3.61-
3
7
1
5
+
1
8
-
1
5
+
7
8
题型:解答题难度:中档来源:不详

答案

(1)class="stub"3
5
+class="stub"2
3
-class="stub"5
6

=class="stub"19
15
-class="stub"5
6

=class="stub"13
30


(2)class="stub"7
8
-class="stub"5
12
+class="stub"1
6

=class="stub"21
24
-class="stub"10
24
+class="stub"4
24

=class="stub"11
24
+class="stub"4
24

=class="stub"5
8


(3)10-class="stub"1
4
-class="stub"3
4

=10-(class="stub"1
4
+class="stub"3
4
),
=10-1,
=9;

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

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

=0+class="stub"2
3

=class="stub"2
3


(5)6.39-class="stub"4
7
+3.61-class="stub"3
7

=(6.39+3.61)-(class="stub"3
7
+class="stub"4
7
),
=10-1,
=9;

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

=(class="stub"1
5
-class="stub"1
5
)+(class="stub"7
8
+class="stub"1
8
),
=0+1,
=1.

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