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nanas y
apel z
10x=2y
y=2x+z
jadi
5x=y kn?
5x=2x+z
z=3x
1 apel itu 3 pisang
wortel a
jagung b
paprika c
6a=b+c
b=2c
jadi 6a=2c+c
6a=3c
jadi c=2a
1 paprika itu 2 wortel