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4 : 3
cica - dewi = 18
jumlahnya?
(cica + dewi) x 18/(cica-dewi)
(4+3) x 18/(4-3)
7 x 18/1
7 x 18
126 cm
c - d = 18
Jumlah = × 18
= × 18
= × 18
= cm