... IF(). t c li: =IF(A1 >= 100 0, IF(A1 >= 100 00, "Really big!!", Big!"), IF(A1 < 100 , "Small", "Not big")) n mng ... c tui nh), v xem: =IF(A1 >= 100 0, "Big!", IF(A1 < 100 , "Small", "Not big")) Bn ... t danh hi =IF(A1 >= 100 0, IF(A1 >= 100 00, "Really big!!", Big!"), "Not big") Ho...