Вычислите (7/15 + 4/5) : 3 - 1/9. Created by Маша0070. matematika-ru

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September 2021 1 16 Report

Вычислите (7/15 + 4/5) : 3 - 1/9

vmaluga2011

(7/15+4/5):3-1/9=14/45
1) 7/15+4/5=7/15+12/15=19/15
2) 19/15:3=19/45
3) 19/45-1/9=19/45-5/45=14/45

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