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In constant addition, the addend
.
.
in constant subtraction, the subtrahend IS
autol!l~tijca~
!n constant multiplication, the multip!iew
ly
spec1f1ed as
..
}
in constant division, the divisor
the constant.
Percentage Calculation
17%ol200
200 X 17
100
34
Percentage Calculation
456
isx
%ol789
2000017~0
456
X 100 =
456G]789)!!!!,,:;..,
7 8 9
'-----'
'-=-'
( 34.)
57.7946768196
(57 79467681)
Increase Ratio
lithe
seles amou ntlor one
month was 120 million
and the next month
increased to 150 million,
what was the percentage
of increase from one
month to the next?
Increase
150-120 X 1 00 1 50r=1120
l!l'll
%
Ratio
120
CJ
0
0
=2596
34
( 25.)
constant Percentage
Cs!culation
1200 X 1296 = 144
1500 X 1296 = 180
1700 X 1296 = 204
m
= 77. 5075987896
~=66
2613981896
987
.
1200(KJ12~
0
1500
~0
1700
IIIII
%
0 0
765(B887~0
654
1!!11
%
0 0
(144 )
(180 )
(204 )
(77.50759878)
(66.26139818)
543 =55 0151975796
543
987
.
1!!11
%
0 0
Calculation Using the
Independent Memory
(I)
20 X 30=
600
40X50=
2000
15 X 20 =
300
2900
- )125X40= -5000
-2100
Calculation Using the
Independent Memory (II)
(Composition Ratio
Calculation)
Composition Ratio(%)
A 125
( 25)
B 185
( 37)
c
190
( 38)
( 500)
( 100)
(55. 01519757)
200030§~
600.)
400050§~
2000.)
150020§~
(
300.)
IIIV RM
0
@J
(
2900.)
125(Ki40§~M±J
(
-5000 )
IIIII RM
(
-2100 )
O@J
125~185~190§~
( 500)
125G]~~~0~
(
25.)
185~0M±l
(
37 )
190~
0Mi}
38 )
~~
100
35
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