а)((23+20)*11/25)5/43=(23+20)*11/25*5/43=43*11/25*5/43=11/5=2,2
б) ((47-20)*1/26))*13/27=(47-20)*1/26*13/27=27*1/26*13/27=1/2=0,5
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а)((23+20)*11/25)5/43=(23+20)*11/25*5/43=43*11/25*5/43=11/5=2,2
б) ((47-20)*1/26))*13/27=(47-20)*1/26*13/27=27*1/26*13/27=1/2=0,5