1)1/18:0.2-0.1=1/18:2/10-1/10=1/18*5-2)1/10=25/90-9/90=16/90 8/10-125/1000=32/40-5/40=27/40 3)16/90дробь27/40=16/90*40/27=16*4/9*27=64/243
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1)1/18:0.2-0.1=1/18:2/10-1/10=1/18*5-2)1/10=25/90-9/90=16/90 8/10-125/1000=32/40-5/40=27/40 3)16/90дробь27/40=16/90*40/27=16*4/9*27=64/243