154*78+3900:65
154*78= 12 012
3900:65=60
12 012+60=12 072
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154*78+3900:65
154*78= 12 012
3900:65=60
12 012+60=12 072
Verified answer
(Сначала решается • и : )154•78=12012
3900:65=60
Итог
12012+60=12072