0.125+4711-1711+785.98+1029+1501512+437+27129710-1340-4.925.-数学

题目简介

0.125+4711-1711+785.98+1029+1501512+437+27129710-1340-4.925.-数学

题目详情

0.125+4
7
11
-1
7
11
+
7
8

5.98+
10
29
+
1
50

1
5
12
+4
3
7
+2
7
12

9
7
10
-1
3
40
-4.925.
题型:解答题难度:中档来源:不详

答案

(1)0.125+4class="stub"7
11
-1class="stub"7
11
+class="stub"7
8

=class="stub"1
8
+4class="stub"7
11
-1class="stub"7
11
+class="stub"7
8

=(class="stub"1
8
+class="stub"7
8
)+(4class="stub"7
11
-1class="stub"7
11
),
=1+3,
=4;

(2)5.98+class="stub"10
29
+class="stub"1
50

=5class="stub"49
50
+class="stub"10
29
+class="stub"1
50

=5class="stub"49
50
+class="stub"1
50
+class="stub"10
29

=6+class="stub"10
29

=6class="stub"10
29


(3)1class="stub"5
12
+4class="stub"3
7
+2class="stub"7
12

=1class="stub"5
12
+2class="stub"7
12
+4class="stub"3
7

=4+4class="stub"3
7

=8class="stub"3
7


(4)9class="stub"7
10
-1class="stub"3
40
-4.925,
=9class="stub"7
10
-1class="stub"3
40
-4class="stub"37
40

=9class="stub"7
10
-(1class="stub"3
40
+4class="stub"37
40
),
=9class="stub"7
10
-6,
=3class="stub"7
10

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