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5÷[(35%-112)×34]+1318×2.75+0.125×174+12.5%÷11×14+14×17+17×110+-+197×1100.

编辑:chaxungu时间:2026-04-27 13:20:50分类:小学数学题库

5÷[(35%-
1
12
)×
3
4
]+
1
3

1
8
×2.75+0.125×
17
4
+12.5%
(362+548×361)÷(362×548-186)
1
1
×
1
4
+
1
4
×
1
7
+
1
7
×
1
10
+…+
1
97
×
1
100
.(1)5÷[(35%-
1
12
)×
3
4
]+
1
3
,
=5÷[(
7
20
-
1
12
)×
3
4
]+
1
3
,
=5÷[(
21
60
-
5
60
)×
3
4
]+
1
3
,
=5÷[
16
60
×
3
4
]+
1
3
,
=5÷
1
5
+
1
3
,
=25+
1
3
,
=25
1
3
;

(2)
1
8
×2.75+0.125×
17
4
+12.5%,
=0.125×2.75+0.125×4.25+0.125,
=(2.75+4.25+1)×0.125,
=8×0.125,
=1;

(3)(362+548×361)÷(362×548-186),
=[362+548×(362-1)]÷(362×548-186),
=[362-548+548×362]÷(362×548-186),
=(362×548-186)÷(362×548-186),
=1;

(4)
1
1
×
1
4
+
1
4
×
1
7
+
1
7
×
1
10
+…+
1
97
×
1
100
,
=
1
3
×(1-
1
4
)+
1
3
×(
1
4
-
1
7
)+
1
3
×(
1
7
-
1
10
)+…+
1
3
×(
1
97
-
1
100
),
=
1
3
×(1-
1
4
+
1
4
-
1
7
+
1
7
-
1
10
+…+
1
97
-
1
100
),
=
1
3
×(1-
1
100
),
=
33
100
.