найти значение выражения (17/15 - 1/12) *6 целых 2/3. Created by elenanocenko. matematika-ru

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elenanocenko @elenanocenko

August 2021 2 1 Report

найти значение выражения (17/15 - 1/12) *6 целых 2/3

Galinka23

Verified answer

17/15 - 1/12 = (17 × 4 - 1 × 5)/60 = 68/60 - 5/60 = 63/60 = 21/20 = 1 1/20
1 1/20 × 6 2/3 = 21/20 × 20/3 = 7
ОТВЕТ : 7

3 votes Thanks 1

kolobok1431

Verified answer

$( \frac{17}{15}- \frac{1}{12})*6 \frac{2}{3}=7$
1) $\frac{17}{15}- \frac{1}{12}= \frac{17*4-1*5}{60} = \frac{68-5}{60}= \frac{63}{60}= \frac{21}{20}$
2) $\frac{21}{20}*6 \frac{2}{3}= \frac{21}{20}* \frac{20}{3}=7$

3 votes Thanks 7

elenanocenko спасибо

kolobok1431 Пожалуйста.

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najti znachenie 313438

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koren 3 stepeni iz 128 koren 3 stepeni iz 2000

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