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LenaVE
@LenaVE
July 2022
2
11
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Выбрав удобный порядок вычислений, найдите значение выражения:
[tex]4 \frac{2}{7} - 3 \frac{2}{9} - 5 \frac{5}{7} + 1 \frac{1}{3} - 5 \frac{1}{9} + 2 \frac{3}{7} [/tex]
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yulchik135
30/7 - 29/9 -40/7 +4/3 -46/9 +17/7
Приравниваем к общему знаменателю
270/63 -203/63 -360/63 +84/63 -322/63 +153/63= -378/63 = -6
Ответ: -6
2 votes
Thanks 10
kate2495
(4*2/7-5*5/7+2*3/7)-3*2/9-5*1/9+12/9=1-7=-6
1 votes
Thanks 2
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Answers & Comments
Приравниваем к общему знаменателю
270/63 -203/63 -360/63 +84/63 -322/63 +153/63= -378/63 = -6
Ответ: -6