(38+127)×8+1927(13+14-16)×1256×213×39201627÷83×3830×(45-13-115)15÷13×15÷13.-数学

题目简介

(38+127)×8+1927(13+14-16)×1256×213×39201627÷83×3830×(45-13-115)15÷13×15÷13.-数学

题目详情

3
8
+
1
27
)×8+
19
27
1
3
+
1
4
-
1
6
)×12
5
6
×
2
13
×
39
20

16
27
÷
8
3
×
3
8
30×(
4
5
-
1
3
-
1
15
) 15÷
1
3
×15÷
1
3
题型:解答题难度:中档来源:不详

答案

(1)(class="stub"3
8
+class="stub"1
27
)×8+class="stub"19
27

=class="stub"3
8
×8+class="stub"1
27
×8+class="stub"19
27

=3+(class="stub"8
27
+class="stub"19
27
),
=3+1,
=4;

(2)(class="stub"1
3
+class="stub"1
4
-class="stub"1
6
)×12,
=class="stub"1
3
×12+class="stub"1
4
×12-class="stub"1
6
×12,
=4+3-2,
=5;

(3)class="stub"5
6
×class="stub"2
13
×class="stub"39
20

=class="stub"5
6
×(class="stub"2
13
×class="stub"39
20
),
=class="stub"5
6
×class="stub"3
10

=class="stub"1
4


(4)class="stub"16
27
÷class="stub"8
3
×class="stub"3
8

=class="stub"16
27
×class="stub"3
8
×class="stub"3
8

=class="stub"1
12


(5)30×(class="stub"4
5
-class="stub"1
3
-class="stub"1
15
),
=30×class="stub"4
5
-30×class="stub"1
3
-30×class="stub"1
15

=24-10-2,
=12;

(6)15÷class="stub"1
3
×15÷class="stub"1
3

=15×3×15×3,
=45×15×3,
=2025.

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