Question

(1 17/18•1 13/14-2 5/8: 1 1/26)
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Answer 1

Ответ:

1) 1 17/18•1 13/14=35/18•27/14=15/4

2) 2 5/8:1 1/26=21/8•26/27=91/36

3) 15/4-91/36=135/36-91/36=44/36=11/9=1 2/9