tlong bantuannya sekarang besok mau dikumpulkan pliss pkai cara

120 cm + [6 × (200 cm - 120 cm)] + {90 cm + [2 × {200 cm - 120 cm}]) + [90 cm + (200 cm - 120 cm)] + [120 cm - (200 cm - 120 cm)]
= 120 cm + 480 cm + 250 cm + 170 cm + 40 cm
= 1.060 cm (B)