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Toán Lớp 9: cho tam giac abc vuong tai a duong cao ah trong cac doan thang ab,ac,bc,hb hay tinh do dai cac doan thang do biet ah=9cm va hc=12.8cm

Home/ Toán Lớp 9: cho tam giac abc vuong tai a duong cao ah trong cac doan thang ab,ac,bc,hb hay tinh do dai cac doan thang do biet ah=9cm va hc=12.8cm