0,4-+8(5-0,8*5/8)-5:2 1/2 (дробная черта) (1 7/8*8-(8,9-2,6:2/3))*34 2/5

[latex] \frac{0,4+8*(5-0,8* \frac{5}{8})-5:2 \frac{1}{2} }{(1 \frac{7}{8}*8-(8,9-2,6: \frac{2}{3}))*34 \frac{2}{5} }=0,1 [/latex] 1.[latex]0,8* \frac{5}{8}= \frac{4}{8}= \frac{1}{2}=0,5 [/latex] 2.[latex]5-0,5=4,5[/latex] 3.[latex]8*4,5=36[/latex] 4.[latex]5:2 \frac{1}{2}=5: \frac{5}{2} = \frac{5*2}{5}=2 [/latex] 5.[latex]0,4+36=36,4[/latex] 6.[latex]36,4-2=34,4[/latex] 7.[latex]2,6: \frac{2}{3}=2 \frac{6}{10}: \frac{2}{3}= \frac{26}{10}: \frac{2}{3}= \frac{26*3}{10*2}= \frac{39}{10}=3,9 [/latex] 8.[latex]8,9-3,9=5[/latex] 9.[latex]1 \frac{7}{8}-8= \frac{15}{8}*8=15 [/latex] 10.[latex]15-5=10[/latex] 11.[latex]10*34 \frac{2}{5}= \frac{10}{1}* \frac{172}{5}=344 [/latex] 12.[latex]34,4:344=0,1[/latex]

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