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Nomor 3 45*2 = 90
152 - 90 = 62 : 2 = 31 jadi panjang sisi lainnya 31
Nomor 6 24*27 = 648 : 2 = 324
Semoga bermanfaat
= 2 × (144 cm2 / 12 cm)
= 2 × 12 cm
= 24 cm
2. 4 × 55 m
= 220 m