(1)(0.125×8-0.5)×4.(2)920÷6+16×120.(3)56×0.25+14×16.(4)28×529.-数学

题目简介

(1)(0.125×8-0.5)×4.(2)920÷6+16×120.(3)56×0.25+14×16.(4)28×529.-数学

题目详情

(1)(0.125×8-0.5)×4. (2)
9
20
÷6+
1
6
×
1
20
. (3)
5
6
×0.25+
1
4
×
1
6
. (4)28×
5
29
题型:解答题难度:中档来源:不详

答案

(1)(0.125×8-0.5)×4,
=(1-0.5)×4,
=0.5×4,
=2;

(2)class="stub"9
20
÷6+class="stub"1
6
×class="stub"1
20

=class="stub"9
20
×class="stub"1
6
+class="stub"1
6
×class="stub"1
20

=class="stub"1
6
×(class="stub"9
20
+class="stub"1
20
),
=class="stub"1
6
×class="stub"1
2

=class="stub"1
12



(3)class="stub"5
6
×0.25+class="stub"1
4
×class="stub"1
6

=0.25×(class="stub"5
6
+class="stub"1
6
),
=0.25×1,
=0.25;

(4)28×class="stub"5
29

=(29-1)×class="stub"5
29

=29×class="stub"5
29
-1×class="stub"5
29

=5-class="stub"5
29

=4class="stub"24
29

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