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ukurn balok = 18 x 10 x 4 cm
panjang kawat = 2m = 200 m
dit: pnjng sisa kawat?
dijwb :
Rangka = 4 x (18+10+4)
= 4 x 32
= 128 cm
jdi sisa kawat sepanjang = 200 - 128 = 72 cm
= 200 cm : ( 4 × 32 cm )
= 200 cm : 128 cm
= 1 balok sisa 72 cm