Bai 6
DO TAM VAN DONG KHCfP CAC KHCJP CHI DlTCM
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I. KHOP HONG
1. G ap h on g: tti 0° den 120° (hinh 6.1)
1.1. Tit the ngudi benh
Nam ngiia vdi hong va goi duoi. Chan thang goc vdi dudng ngang qua hai gai
chau trudc tren.
a) b)
Hinh 6.1. Gap hong
a) Tii the khdi dau ; b) Tu" the cuoi cung.
120