Математика, вопрос задал Grumm123 , 7 лет назад

Помогите решить пж))) Срочно) плз :)

2. 9 1/23* (14* 11/40 : 7 7/10) :4: (39/115 * 3 1/3)=

3. 133/135 : ( 19/75 : (29/60 *3 : 7 1/4)) *20 4/7 :24=

4. (5/11 * 2 2/11) : (0,6 :1,1) : (2* 5/88) : 32==

5. 3 : (2,75 : (1 2/63 :1/7 :13 ) * 5/66) * 0,05=

HELP

SOS

Крайний срок 3-4 часа )

Выручайте! Братцы!

Ответы на вопрос

Ответил oksik1970
0

9 frac{1}{23}  times (14 times  frac{11}{40}  div 7 frac{7}{10} ) div 4 div ( frac{39}{115}  times 3 frac{1}{3} ) =  frac{208}{23}  times  frac{14 times 11 times 10}{40 times 77}  div 4 div  frac{39 times 10}{115 times 3}  =  frac{208 times 2 }{23 times 4 }  times  frac{1}{4}  div  frac{13 times 2}{23}  =  frac{13 times 2 times 23}{23 times 13 times 2}  = 1 \

 frac{133}{135}  div ( frac{19}{75}  div ( frac{29}{60}  times 3 div 7 frac{1}{4} )) times 20 frac{4}{7}  div 24 =  frac{133}{135}  div ( frac{19}{75}  div  frac{29 times 3 times 4}{60 times 29} ) times  frac{144}{7}  times  frac{1}{24}    =  frac{133}{135}  div  frac{19 times 60 times 29}{75 times 29 times 3 times 4}  times  frac{6}{7}  =  frac{133}{135}  div  frac{19 }{15 }  times  frac{6}{7}  =  frac{133 times 15 times 6}{135 times 19 times 7}  =  frac{7 times 6}{9 times 7}  =  frac{2}{3}  \

( frac{5}{11}  times 2 frac{2}{11} ) div (0.6 div 1.1) div (2 times  frac{5}{88} ) div 32 =  frac{5 times 24}{11 times 11}  div  frac{6 times 10}{10 times 11}  div  frac{5}{44 times 32}  =  frac{5 times 24 times 10 times 11 times 44 }{11 times 11 times 6 times 10 times 5×32}  =  frac{1}{2}   \

3 div (2.75 div (1 frac{2}{63}  div  frac{1}{7}  div 13) times  frac{5}{66} ) times 0.05 = 3 div (frac{275}{100} div ( frac{65 times 7}{63 times 13} ) times  frac{5}{66} ) times  frac{5}{100}  = 3 div (frac{11}{4} div  frac{5}{9}  times  frac{5}{6} ) times  frac{1}{20}  = 3 div ( frac{11 times 9 times 5}{4 times 5 times 66} ) times  frac{1}{20}  = 3 div  frac{ 3}{8 }  times  frac{1}{20}  =  frac{3 times 8}{3times 20}  =  frac{2}{5}  \

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4 и 5 есть на фото.

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Ответил Grumm123
0
поздно братишь) я 2 получил :D
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