Crossword clues for 1 or 2:BELUSHIOnly person to have the #1 movie, #1 album and #1-rated late-night TV show all in the same weekAMERIESinger with the 2005 #1 R&B hit "1 Thing"MALCOLMBUTLER1-Across member whose final action sealed 19-Across for 1-AcrossSCALE1 inch = 1 mile, e.g.SYNERGY1 + 1 = 3, e.g.CAREERRBI1,839; 1,537 (see 23 and 118 Across)SINIf we say we have no ___, we deceive ourselves, and the truth is not in us. (1 John 1:8)SINESIn mathematics, they're never more than 1 or less than minus 1.MINThe 1 in {1,2,3}: Abbr.TENANDAHALFChild born May 1, 2002, on Nov. 1, 2012JLO'01 album that knocked the Beatles' "1" off the #1 spotCHRISTWord that first appears in Matthew 1:1FIRSTADDITION1 + 1 = 2?MILS1,000 __ = 1 inchJLOSinger/actress with a simultaneous #1 album and #1 film, familiarlyNOIRIt pays 1:1 in rouletteISSUEVolume 1, Number 1, for oneADDENDSThe 1 and 2 in 1 + 2 = 3PELEScorer of 1,281 goals in 1,363 gamesODDS6:1 or 7:1, e.g., at a racetrackTEST1-2-3, 1-2-3, e.g.MILS1 inch = 1,000 __ODDS1:15 or 1:30, e.g.WALKINGWith 1-Across, no-no #1EVENODDS1 to 1SERIES1, 1, 2, 3, 5, 8, 13, 21, 34 ..., e.g.ACT___ 1, Scene 1.POOR1 on a scale of 1 to 5, maybeTEENAGEDREAM*No. 1 Katy Perry album featuring the No. 1 song "Firework"GOLFIf you are caught on a ___ course during a storm and are afraid of lightning, hold up a 1-iron. Not even God can hit a 1-iron. (40-Across Trevino quip)TESTSay, "1-2-3, 1-2-3"SEQ1, 1, 2, 3, 5, 8, 13 ..., e.g.: Abbr.JLOAlbum that knocked the Beatles' "1" off the #1 spotOMGROTFLMAO____ 1111!11!1!!1RATIO1:1, for oneMORTComedian Sahl ... also what can fill the square at the crossing of 1-Across and 1-DownCLUES1-Across and 1-Down, e.g.FIBONACCISERIES1, 1, 2, 3, 5, 8, 13, 21, etc.ODDS3:1 or 4:1, e.g.LIONELFirst name of the singer of a 1984 #1 hit with the same title as a 2015 #1 hitJLOFirst person to have the #1 album and #1 movie in the same week, brieflyFIBONACCISERIES1, 1, 2, 3, 5, 8, 13, 21, 34, and so onNUMBER1 in a 1,000,000, e.g.ELECTRICIANTest subject #1 perceives 1 as brown, 2 as red, 8 as gray; maybe he works as an ...ACRE1 chain x 1 furlongLEGENDIt may say "1 inch = 1 mile"AXEL1 1€2 rotation leapADDENDEither 1 in "1+1"MIN1 for the set {1, 2, 3}, in briefFIBONACCIMathematician behind the sequence 1, 1, 2, 3, 5 ...