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кокой номер?
30 а) 245+35•18=245+630=875 б)(87+35)•25=122•25=3050
А) 245 + 35 × 18 = 875 1) 35 × 18 = 630 2) 245 + 630 = 875 б) ( 87 + 35 ) × 25 = 3050 1) 87 + 35 = 122 2) 122 × 25 = 3050