Вычислите, используя законы сложения 23/69 + 38/69 + 7/69 28/43 + 52/43 + 19/43 17/45 + 11/45 + 23/45. Created by Asfaltik. matematika-ru

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July 2022 2 2 Report

Вычислите, используя законы сложения

23/69 + 38/69 + 7/69
28/43 + 52/43 + 19/43
17/45 + 11/45 + 23/45

SWAG2287 23/69 + 38/69 + 7/69 = 68/69
28/43 + 52/43 + 19/43 = 99/43 = 2 13/43
17/45 + 11/45 + 23/45 = 51/45 = 1 6/45 = 1 2/15

6 votes Thanks 8

fanta2310

Verified answer

А)13/48+17/48+11/48=30/48+11/48=41/48
б)12/55+18/55+19/55=30/55+19/55=49/55
в)25/64+15/64+17/64=40/64+17/64=57/64
г)23/69+7/69+38/69=30/69+38/69=68/69
д)28/43+52/43+19/43=80/43+19/43=99/43
е)17/45+23/45+11/45=40/45+11/45=51/45
ж)1/45+2/45+7/45=10/45=2/9
з)13/44+17/44+15/44=30/44+15/44=45/44
и)16/77+4/77+8/77=20/77+8/77=28/77.

4 votes Thanks 13

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