(26(6) : 6.4)*(19.2:3(5)) - 8,(571428) : 2 26/77 / 0.5 : 18(6)*11 - 1/18. Created by kseniya82001. algebra-ru

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kseniya82001 @kseniya82001

July 2022 1 5 Report

(26(6) : 6.4)*(19.2:3(5)) - 8,(571428) : 2 26/77 / 0.5 : 18(6)*11 - 1/18

Answers & Comments

АннаАрт $(\frac{26,(6)}{6,4}*\frac{19,2}{3,(5)})-(\frac{8,(571428):2 \frac{26}{77}}{0,5:18,(6)*11})-\frac{1}{18}$

1)
$26,(6):6,4=26 \frac{2}{3} :6 \frac{2}{5} = \frac{80}{3} : \frac{32}{5} = \frac{80}{3} * \frac{5}{32} =\frac{5}{3} * \frac{5}{2} = \frac{25}{6} =4 \frac{1}{6}$

2)
$19,2:3,(5)=19 \frac{1}{5} :3 \frac{5}{9} = \frac{96}{5} : \frac{32}{9} =\frac{96}{5} * \frac{9}{32} =\frac{3}{5} * 9 = \frac{27}{5} =5 \frac{2}{5} =5,4$

3)
$\frac{25}{6}*\frac{27}{5} =\frac{5}{2}*9 = \frac{45}{2} =22 \frac{1}{2} =22,5$

4)
$8,(571428):2 \frac{26}{77}=8 \frac{4}{7} :2 \frac{26}{77}= \frac{60}{7} : \frac{180}{77} =\frac{60}{7} * \frac{77}{180} = \frac{11}{3} =3 \frac{2}{3}$

5)
$0,5:18,(6)= \frac{1}{2} :18 \frac{2}{3} =\frac{1}{2} :\frac{56}{3} =\frac{1}{2} *\frac{3}{56} = \frac{3}{112}$

6)
$\frac{3}{112}*11=\frac{33}{112}$

7)
$\frac{11}{3} :\frac{33}{112}=\frac{11}{3} *\frac{112}{33}=\frac{112}{9}=12 \frac{4}{9}$

8)
$\frac{45}{2} - \frac{112}{9} - \frac{1}{18} = \frac{45*9-112*2-1}{18} = \frac{180}{18} =10$

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