А)-84=48= - (84-48)= - 36 б)-52-(-25)= - (52-25)= - 7 в)-48* (-105)= -105 *48 = 5040 4)1339 : (-13) = - 1339 : 13 = 103
А)-84+48= - (84-48)= - 36б)-52-(-25)= - (52-25)= - 27в)-48* (-105)= -105 *(-48) = 50404)1339 : (-13) = - 1339 : 13 = -103
А)-84+48= - (84-48)= - 36 б)-52-(-25)= - (52-25)= - 27 в)-48* (-105)= -105 *(-48) = 5040 4)1339 : (-13) = - 1339 : 13 = -103