5÷[(35%-
(362+548×361)÷(362×548-186)
|
(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)
×2.75+0.125×1 8
+12.5%,17 4
=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
=
×(1-1 3
)+1 4
×(1 3
-1 4
)+1 7
×(1 3
-1 7
)+…+1 10
×(1 3
-1 97
),1 100
=
×(1-1 3
+1 4
-1 4
+1 7
-1 7
+…+1 10
-1 97
),1 100
=
×(1-1 3
),1 100
=
.33 100