多项选择题
A.IF R1 GOTOF ABCB.IF R2 GOTOB ABCC.GOTOF ABCD.GOTOB ABCE.GOTO AB
A.R1=LN(5)B.R1=120,R2=LN(COS(R1))C.R1=EXP(-1)D.R1=EXP(2)E.R2=LN(-3)
A.2+ACOS(R1) B.2*ACOSR1 C.A2COS(R1) D.3*COS(R1)