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Пошаговое объяснение:
1.) 5/8-5/6-5/12+7/8=(5/8+7/8)-5(1/6+1/12)=12/8-3*5/12=(36-30)/24=6/24=1/3
7/16-1/6-5/24+1/4=(7/16+4/16)-(4/24+5/24)=11/16-9/24=(33-18)/48=15/48=5/16
2)11 11/48 - х = 7 5/16
539/48 - х = 117/16
х=539/48-117/16=(539-351)/48=188/48=3 11/12
9 3/5 - х =7 5/6
48/5 - х=47/6
х=48/5-47/6=(288-235)/30=53/30=1 23/30
(7/8 +х) -2/3= 13/24
х=13/24-7/8+2/3=(13-21+16)/24=8/24=1/3
3/14+ (х-1/7)=11/28
х=11/28-3/14+1/7=(11-6+4)/28=9/28
