Ответ:
Пошаговое объяснение:
3 4/5÷5 7/10=19/5÷57/10=19/5×10/57=1/1×2/3=2/3; 2 2/3÷1 7/9=8/3÷16/9=8/3×9/16=1/1×3/2=3/2=1 1/2; 6 5/9÷6 4/19=59/9÷118/19=59/9×19/118=1/9×19/2=19/18=1 1/18; 4 8/15÷1 9/25=68/15÷34/25=68/15×25/34=2/15×25/1=50/15=3 5/15=3 1/3; 1 13/15÷1 3/5=28/15÷8/5=28/15×5/8=28/3×1/8=28/24=1 4/28=1 1/7
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Ответ:
Пошаговое объяснение:
3 4/5÷5 7/10=19/5÷57/10=19/5×10/57=1/1×2/3=2/3; 2 2/3÷1 7/9=8/3÷16/9=8/3×9/16=1/1×3/2=3/2=1 1/2; 6 5/9÷6 4/19=59/9÷118/19=59/9×19/118=1/9×19/2=19/18=1 1/18; 4 8/15÷1 9/25=68/15÷34/25=68/15×25/34=2/15×25/1=50/15=3 5/15=3 1/3; 1 13/15÷1 3/5=28/15÷8/5=28/15×5/8=28/3×1/8=28/24=1 4/28=1 1/7