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selesaikan 2 [Selesai]
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Alex, Muthu dan Atan jalan2 kat shopping mall. sampai la diorang jumpa mesin penimbang.
Alex ajak Muthu dan Atan timbang berat diorang.
memandangkan diorang bertiga agak kedekut, Atan cadangkan diorang timbang brsama2 tanpa turun dari mesin penimbang.
Masalahnya mesin penimbang tu hanya boleh tampung 2 org pada satu2 masa.
jadi
Alex timbang bersama Muthu dan berat mereka ialah 85 kg
Muthu turun digantikan Atan dan berat terus turun kepada 75kg
kemudian Muthu naik menggantikan Alex dan berat turun lagi kepada 60 kg
kesudahannya Alex, Muthu dan Atan buntu memikirkan berapa berat mereka
soalanya berapa jumlah berat mereka.
jom bantu selesaikan
@Eva_yy_Ellin ai pinjam Alex u oke
Last edited by Eva_yy_Ellin on 23-10-2013 12:42 PM
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Eva_yy_Ellin posted on 22-10-2013 04:13 PM
Jangan lupa pulangkan balik
tunggu orang lain kirakan.
tu pun kalau alex jumpa jalan pulang
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Alex - 45kg
Mutu - 40kg
Atan - 30kg |
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Farini posted on 22-10-2013 04:19 PM
Alex - 45kg
Mutu - 40kg
Atan - 30kg
teeeeeeeeeetttt..cuba kira balik yer..
btw..utk soklan math baik bagi jalan kiraan..nanti dapat extra tacang
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alisyadania posted on 22-10-2013 04:21 PM
teeeeeeeeeetttt..cuba kira balik yer..
btw..utk soklan math baik bagi jalan kiraan..nanti dapat e ...
Alex + Mutu = 85kg
Alex + Atan = 75kg..... Atan kurang 10kg dari Mutu
Atan + Mutu = 60kg....
Alex - 45kg
Mutu - 40kg
Atan - 20kg
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Farini posted on 22-10-2013 04:30 PM
aku silap lagi la...
teeetttttttttttttttttttt
xpa..matematik ni seronok
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x=Alex
y=Muthu
z=atan
x+y=85
x+z=75
z+y=60
y=85-x
also
y=60-z
Thus,
60-z = 85-x
z=x-25
So,
x+(x-25) = 75
x=50
50+y=85
y=35
z+35=60
z=25
JAdiiiiiiiiiiiiiiiiiii;
x=Alex = 50kg
y=Muthu = 35kg
z=Atan = 25kg
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Alex = 80
Mutu = 72.5
Atan = 67.5
cek hentam saja... |
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ahazman24 posted on 22-10-2013 05:32 PM
x=Alex
y=Muthu
z=atan
I like this equation
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ahazman24 posted on 22-10-2013 05:32 PM
x=Alex
y=Muthu
z=atan
sikit lagi dah
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mizmini posted on 22-10-2013 05:57 PM
Alex = 80
Mutu = 72.5
Atan = 67.5
xmo hentam2..meh kira2
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k_rul posted on 22-10-2013 11:16 PM
I like this equation
jangan like dulu..x tahu betul ke salah
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Spiral posted on 23-10-2013 08:49 AM
pergh tbaek la.. saya kunci jawapan ini
walopun x kire jwpn nye betul ke x.. betul le kut ...
ai pulangkan kunci bukak balik ye
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Atan =A
Muthu = B
Atan = C
Cara :
A+B = 85
so B=85-A
A+C=75
& C=75-A
kita tau
B+C=60
so
(85-A) + (75-A)=60
160-2A=60
2A=100
A=50
A+B = 85
so B=85-50=35
A+C=75
& C=75-50=25
jawapan
A=50
B=35
C=25
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MissMamamia75 posted on 23-10-2013 09:44 AM
Atan =A
Muthu = B
Atan = C
sikit ja lagi nak betul
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Alex = x , Muthu = y , Atan = z
1. x + y = 85
2. x + z = 75
3. z + y = 60
x = 85 - y
z = 75 - x
y = 60 - z
Cara:
x = 85 - y
x = 85 - (60 - z) --->gantikan y
x = 85 - (60 - (75 - x)) --->gantikan z
x = 85 - (60 - 75 + x)
x = 85 - 60 + 75 - x
x = 100 - x
x + x = 100
2x = 100
x = 100/2
x = 50
z = 75 - x
z = 75 - 50 --->gantikan x dengan jwpn diatas
z = 25
y = 60 - z
y = 60 - 25 --->gantikan z dengan jwpn diatas
y = 35
So:
Alex = x = 50
Muthu = y = 35
Atan = z = 25
Jumlah berat = Alex + Muthu + Atan
Jumlat berat = 50 + 35 + 25
Jumlah berat = 110 |
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