Ответы на вопрос:
88/275=8/25 36/135=1/5=5/25 30/540=1/18 875/1750=1/2=9/18 8ab/48bc=1a/6c 5bnr/15cnr=1b/3c=2b/6c 9c-9t/9t=c-t/t=7(1-t)/7t=7-7t/7t 5a+3a/56at= 8/56t=1/7t
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