Question

выполните действия 4 задание

Answer 1

(3ц1/4+1ц1/6÷1ц5/9)÷2ц2/7+5ц1/9÷7ц2/3 = (13/4+7/6÷14/9)÷16/7+46/9÷23/3 = =(13/4+7/6×9/14)×7/16+46/9×3/23 == (13/4+3/4)×7/16+2/3 == 16/4×7/16+2/3 == 7/4+2/3 == 21/12+8/12 == 29/12 = 2ц5/12
ц-это "целых" / - это дробь