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a: B nằm giữa A và N nên NB<NA
A nằm giữa M và N nên NA<NM
=>NB<NM
=>B nằm giữa M và N
=>BM và BN đối nhau
c: Tia đối nhau: BM và BN, AM và AB, MK và MA
Tia phân biệt: KN,MA,AB,BN
Vì điểm E nằm giữa 2 điểm D và C nên ta có
8 - 5,5 = DC hay DC = 3,5
Trong điểm D,C,E thì điểm C nằm giữa 2 điểm D và E
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Hinh ve:
N_____B_____A_____M_____K
Minh chi ve duoc den day thoi con lai ban tu hieu nha:
Chuc ban hoc tot!
cho điểm nằm giữa là M
hai điểm hai bên là A,B
khi AM+MB=AB thì M nằm giữa A và B