下面各题怎样简便怎样算.718×14+34×718(14-16)×1215÷910×3535÷4÷1124013×(26÷403)18÷(16+34)×25.-数学

题目简介

下面各题怎样简便怎样算.718×14+34×718(14-16)×1215÷910×3535÷4÷1124013×(26÷403)18÷(16+34)×25.-数学

题目详情

下面各题怎样简便怎样算.
7
18
×
1
4
+
3
4
×
7
18
(
1
4
-
1
6
)×12
15÷
9
10
×
3
5
3
5
÷4÷
1
12
40
13
×(26÷
40
3
)
1
8
÷(
1
6
+
3
4
2
5
题型:解答题难度:中档来源:不详

答案


(1)class="stub"7
18
×class="stub"1
4
+class="stub"3
4
×class="stub"7
18

=class="stub"7
18
×(class="stub"1
4
+class="stub"3
4
),
=class="stub"7
18
×1,
=class="stub"7
18


(2)(class="stub"1
4
-class="stub"1
6
)×12

=class="stub"1
4
×12-class="stub"1
6
×12,
=3-2,
=1;

(3)15÷class="stub"9
10
×class="stub"3
5

=15×class="stub"3
5
÷class="stub"9
10

=9÷class="stub"9
10

=10;

(4)class="stub"3
5
÷4÷class="stub"1
12

=class="stub"3
5
÷(4×class="stub"1
12
),
=class="stub"3
5
÷class="stub"1
3

=class="stub"9
5


(5)class="stub"40
13
×(26÷class="stub"40
3
)

=class="stub"40
13
×26÷class="stub"40
3

=class="stub"40
13
÷class="stub"40
3
×26,
=class="stub"3
13
×26,
=6;

(6)class="stub"1
8
÷(class="stub"1
6
+class="stub"3
4
)×class="stub"2
5

=class="stub"1
8
÷class="stub"11
12
×class="stub"2
5

=class="stub"3
22
×class="stub"2
5

=class="stub"3
55

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