7) =...

dgavryukhova @dgavryukhova

July 2022 1 7 Report

Решите :
-7 6/7 : (-9 3/7) =

Answers & Comments

prettypushkova

Verified answer

- 7 6/7 : (- 9 3/7) = - 55/7 : (- 66/7) = 55/7 * 7/66 = 55/66 = 5/6

Пояснения:
-7 6/7 = -(7*7+6)/7 = -55/7
-9 3/7 = -(9*7+3)/7) = -66/7
(-) : (-) = (+)
дробь 55/66 сократили на 11

9 votes Thanks 9

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