Crossword clues for 1 or 2:EGGNOGRONI1 part vermouth, 1 part campari, 1 part soda water, and some sweetened dairy beverage?OPERANDEither 1, in the equation 1 + 1 = 2BELUSHIOnly person to have the #1 movie, #1 album and #1-rated late-night TV show all in the same weekALWAYSONMYMINDMay 1982 Billboard Hot Country Singles #1 hit by 1-/66-AcrossNOIRIt pays 1:1 in rouletteBASICLike the math problem 1 + 1ATT1-800-CALL-__: rival of 1-800-COLLECTSINIf we say we have no ___, we deceive ourselves, and the truth is not in us. (1 John 1:8)ERROR1 + 1 = 3, for exampleODDS3:1 or 4:1, e.g.ADDENDEither 1 in "1+1"AREA1, for a square of side length 1GOLFIf 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)LABOROFLOVEPleasurable pursuit (1 Thessalonians 1:3)LIONELFirst name of the singer of a 1984 #1 hit with the same title as a 2015 #1 hitABSCISSAThe 1 in (1,2), in mathELECTRICIANTest subject #1 perceives 1 as brown, 2 as red, 8 as gray; maybe he works as an ...ONTHEROADAGAINNovember 1980 Billboard Hot Country Singles #1 hit by 1-/66 AcrossLEGENDIt may say "1 inch = 1 mile"CUTTINGEDGELike the technology of 1-, 7-, 63- and 64-Across, and 1-, 14-, 38- and 46-DownSNAKEEYES1 + 1SERIES1, 1, 2, 3, 5, 8, 13 ..., e.g.FIBONACCIMathematician behind the sequence 1, 1, 2, 3, 5 ...THEYAREANAGRAMSFeatures of 1-A and 1-D, 73-A and 59-D, and 29-D and 31-DERRSay 1 + 1 = 3, sayCHAWith 1-Down and 1-Down, lively Latin danceFACETake 1, clue 1EECUMMINGS1 x 1 poetEVENSRoulette bets with nearly 1:1 oddsOMGROTFLMAO____ 1111!11!1!!1ODDS6:1 or 7:1, e.g., at a racetrackADDSMakes 1 + 1 = 2ADDENDS1 and 2, in 1 + 2 = 3CAREERRBI1,839; 1,537 (see 23 and 118 Across)ATT1-800-CALL-___ (rival of 1-800-COLLECT)ODDS2:1 or 3:1WINThe "1" in 1-9ODDS1:15 or 1:30, e.g.ITALIA1-Across' country, to a 1-AcrossINUS. . . and the truth is not ___ (1 John 1:8)XXXXLike 1:1 oddsACT___ 1, Scene 1.MILS1,000 __ = 1 inchRATIO1:1, for oneISSUEVolume 1, Number 1, for oneONEINAMILLION1,000,1,000CHRISTWord that first appears in Matthew 1:1MORTComedian Sahl ... also what can fill the square at the crossing of 1-Across and 1-DownSEQ1, 1, 2, 3, 5, 8, 13 ..., e.g.: Abbr.LOVEMEDOTrack #1 on the Beatles compilation album "1"