计算,能简算的要简算.113÷56×1511715÷5+715×0.8(2-0.6)÷7154÷(12+34×15)1119×9+11÷1911-111929×0.375÷67.-数学

题目简介

计算,能简算的要简算.113÷56×1511715÷5+715×0.8(2-0.6)÷7154÷(12+34×15)1119×9+11÷1911-111929×0.375÷67.-数学

题目详情

计算,能简算的要简算.
11
3
÷
5
6
×
15
11
7
15
÷5+
7
15
×0.8
(2-0.6)÷
7
15
4÷(
1
2
+
3
4
×
1
5
11
19
×9+11÷
19
11
-
11
19
2
9
×0.375÷
6
7
题型:解答题难度:中档来源:不详

答案

(1)class="stub"11
3
÷class="stub"5
6
×class="stub"15
11

=class="stub"11
3
×class="stub"6
5
×class="stub"15
11

=6;

(2)class="stub"7
15
÷5+class="stub"7
15
×0.8,
=class="stub"7
15
×class="stub"1
5
+class="stub"7
15
×0.8,
=class="stub"7
15
×(class="stub"1
5
+0.8),
=class="stub"7
15
×(0.2+0.8),
=class="stub"7
15
×1,
=class="stub"7
15


(3)(2-0.6)÷class="stub"7
15

=1.4×class="stub"15
7

=3;

(4)4÷(class="stub"1
2
+class="stub"3
4
×class="stub"1
5
),
=4÷(class="stub"1
2
+class="stub"3
20
),
=4÷class="stub"13
20

=4×class="stub"20
13

=class="stub"80
13


(5)class="stub"11
19
×9+11÷class="stub"19
11
-class="stub"11
19

=class="stub"11
19
×9+11×class="stub"11
19
-class="stub"11
19

=class="stub"11
19
×(9+11-1),
=class="stub"11
19
×19,
=11;

(6)class="stub"2
9
×0.375÷class="stub"6
7

=class="stub"2
9
×class="stub"3
8
×class="stub"6
7

=class="stub"1
14

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