buku 40°=18 lusin.
spidol 60°=1,5 buku=27 lusin
Pensil 120°=3kalinya buku=54 lusin
pulpen=140°=3,5 buku=63 lusin
rata rata =18+27+54+63=162:4
=40,5
Maaf Kalau Salah
360-120-60-40=140 maka pulpen 140
pensil =120/40.18=54
spido=60/40.18=27
pulpen=140/40.18=63
jadi rata ratanya 54+27+63+18=162:4=40,5
maap klo salah ya
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buku 40°=18 lusin.
spidol 60°=1,5 buku=27 lusin
Pensil 120°=3kalinya buku=54 lusin
pulpen=140°=3,5 buku=63 lusin
rata rata =18+27+54+63=162:4
=40,5
Maaf Kalau Salah
360-120-60-40=140 maka pulpen 140
pensil =120/40.18=54
spido=60/40.18=27
pulpen=140/40.18=63
jadi rata ratanya 54+27+63+18=162:4=40,5
maap klo salah ya