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