Вычисли. -6.8*(-3/20)=. Created by dota2bog1. algebra-ru

20)=...

Алмаз11 $-6,8*(- \frac{3}{20} )=(-6 \frac{8}{10}) *(- \frac{3}{20} )= (-\frac{68}{10}) *(- \frac{3}{20} )= \\ \\ \\= (-\frac{68:2}{10}) *(- \frac{3}{20:2} )=(-\frac{34}{10}) *(- \frac{3}{10} )= \frac{34*3}{10*10} = \frac{102}{100} =1,02$

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4+(-17.8)=...

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