вычеслите: а) (1\4-1\12)*5 ; б) (1\4+1\6):10 ; в) (5\6-1\4):7. Created by DarinkaAlex. matematika-ru

вычеслите: а) (1\4-1\12)*5 ; б) (1\4+1\6):10 ; в) (5\6-1\4):7...

August 2022 1 11 Report

вычеслите: а) (1\4-1\12)*5 ; б) (1\4+1\6):10 ; в) (5\6-1\4):7

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tatianamihmar А) (1/4-1/12)*5=((3-1)/12)*5=2/12*5=1/6*5=5/6
б) (1/4+1/6):10=((3+2)/12):10= 5/12:10/1=5/12*1/10=1/24
в) (5/6-1/4):7=((10-3)/12):7=7/12:7/1=7/12*1/7=1/12

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