Ответ:
A)2,73+(x+6,27)=2,73+x+6,27=9+x
Б)1,2y+7,8+2,5y=3,7y+7,8
В)1,5*0,6y*7=0,9ay*7=6,3ay
Г)
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Ответ:
A)2,73+(x+6,27)=2,73+x+6,27=9+x
Б)1,2y+7,8+2,5y=3,7y+7,8
В)1,5*0,6y*7=0,9ay*7=6,3ay
Г)![1,4a*3a^{2} =4,2a^{1} *a^{2} =4,2a^{1+2} =4,2a^{3} 1,4a*3a^{2} =4,2a^{1} *a^{2} =4,2a^{1+2} =4,2a^{3}](https://tex.z-dn.net/?f=1%2C4a%2A3a%5E%7B2%7D%20%3D4%2C2a%5E%7B1%7D%20%2Aa%5E%7B2%7D%20%3D4%2C2a%5E%7B1%2B2%7D%20%3D4%2C2a%5E%7B3%7D)