Реши цепочкой
а) (138-48):10+15
б) (34-12+56) :2-12
с) 27 : (25-16) +24 * (49-33)
а) (138-48):10+15
б) (34-12+56) :2-12
с) 27 : (25-16) +24 * (49-33)
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Answers & Comments
б. ( 34 - 12 + 56 ) : 2 - 12 = 78 : 2 - 12 = 39 - 12 = 27
с. 27 : ( 25 - 16 ) + 24 • ( 49 - 33 ) = 27 : 9 + 24 • 16 = 3 + 384 = 387