Приведите подобные слагаемые А) 3а + 7а= Б) –17b – 3b= В)10a – 3a + 17b –5= Г) 0.3x + 1.6y – 0.3x – 0.4y= Д) 1.2c + 1 – 0.6y - 0.8 – 0.2c=
Даю 50 баллов не упускайте шанс СРОЧНО
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