脱式计算(能简算的要简算)449×38×6115×34+34÷1735×(47-25)45÷(3-411-711)(0.75-316)×(29+13)6÷67-67÷6.-数学

题目简介

脱式计算(能简算的要简算)449×38×6115×34+34÷1735×(47-25)45÷(3-411-711)(0.75-316)×(29+13)6÷67-67÷6.-数学

题目详情

脱式计算(能简算的要简算)
44
9
×
3
8
×
6
11
3
4
+
3
4
÷
1
7
35×(
4
7
-
2
5
4
5
÷(3-
4
11
-
7
11
(0.75-
3
16
)×(
2
9
+
1
3
6
7
-
6
7
÷6.
题型:解答题难度:中档来源:不详

答案

(1)class="stub"44
9
×class="stub"3
8
×class="stub"6
11

=class="stub"44
9
×class="stub"6
11
×class="stub"3
8

=class="stub"8
3
×class="stub"3
8

=1;

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

=class="stub"3
4
×
(5+7)
=class="stub"3
4
×
12
=9;

(3)35×(class="stub"4
7
-class="stub"2
5

=35×class="stub"4
7
-35×class="stub"2
5

=20-14
=6;

(4)class="stub"4
5
÷(3-class="stub"4
11
-class="stub"7
11

=class="stub"4
5
÷[3-(class="stub"4
11
+class="stub"7
11
)]
=class="stub"4
5
÷[3-1]
=class="stub"4
5
÷
2
=class="stub"2
5


(5)(0.75-class="stub"3
16
)×(class="stub"2
9
+class="stub"1
3

=class="stub"9
16
×class="stub"5
9

=class="stub"5
16


(6)6÷class="stub"6
7
-class="stub"6
7
÷6
=7-class="stub"1
7

=6class="stub"6
7

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