Ответы
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номер 425
1)
![13.7 - 10.9 = 2.8 13.7 - 10.9 = 2.8](https://tex.z-dn.net/?f=13.7+-+10.9+%3D+2.8)
2)
![28.84 div 2.8 = 1.3 28.84 div 2.8 = 1.3](https://tex.z-dn.net/?f=28.84+div+2.8+%3D+1.3)
3)
![44.96 + 1.3 = 46.26 44.96 + 1.3 = 46.26](https://tex.z-dn.net/?f=44.96+%2B+1.3+%3D+46.26)
4)
![46.26 div 1.8 = 25.7 46.26 div 1.8 = 25.7](https://tex.z-dn.net/?f=46.26+div+1.8+%3D+25.7)
Ответ: 25,7
номер 426
а)
![(x - 4.7) times 7.3 = 38.69 \ x - 4.7 = 5.3 \ x = 5.3 + 4.7 \ x = 10 (x - 4.7) times 7.3 = 38.69 \ x - 4.7 = 5.3 \ x = 5.3 + 4.7 \ x = 10](https://tex.z-dn.net/?f=%28x+-+4.7%29+times+7.3+%3D+38.69+%5C+x+-+4.7+%3D+5.3+%5C+x+%3D+5.3+%2B+4.7+%5C+x+%3D+10)
б)
![(3.6 - a) times 5.8 = 14.5 \ 3.6 - a = 2.5 \ a = 3.6 - 2.5 \ a = 1.1 (3.6 - a) times 5.8 = 14.5 \ 3.6 - a = 2.5 \ a = 3.6 - 2.5 \ a = 1.1](https://tex.z-dn.net/?f=%283.6+-+a%29+times+5.8+%3D+14.5+%5C+3.6+-+a+%3D+2.5+%5C+a+%3D+3.6+-+2.5+%5C+a+%3D+1.1)
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2)
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4)
Ответ: 25,7
номер 426
а)
б)
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