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=720÷(60+40+32)
=720÷132
=5balok tersisa 60cm kawat
4p+4l+4t
4x15+4x10+4x8
60+40+32
132 untuk 1 balok
a.720 cm dibagi 132 ada 5 balok
b.klo 5 balok->132x5=660
sisa=720 dikurangi 660=60cm
semoga membantu:)