Ответ:
номер 1
а)-25.7-4.6=-30
б) 6.3-(-8.1)=6.3+8.1=14.4
в)
[tex]4\frac{1}{3} - 5 \frac{2}{7} = - 1 \frac{7 - 6}{21} = - 1 \frac{1}{21} [/tex]
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Ответ:
номер 1
а)-25.7-4.6=-30
б) 6.3-(-8.1)=6.3+8.1=14.4
в)
[tex]4\frac{1}{3} - 5 \frac{2}{7} = - 1 \frac{7 - 6}{21} = - 1 \frac{1}{21} [/tex]