Ответы на вопрос:
1) 7 1/4 =29/4 =7.25 y +(9.31 -7.25) =8.2 y +2.06 =8.2 y = 8.2 -2.06 y = 6.14 2) 2 3/25 =53/25 =2.12 7.43 -2.12 +x =7 5.31 +x =7 x =7-5.31 x =1.69 3) 3 3/4 =15/4 =3.75 8.61 -3.75 +y =1 4.86 +y =1 y =1 -4.86 y = -3.86
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