oblicz: 103-3x(5+2do potęgi trzeciej)= (140+73):3+7= 16x5+150:30= [8000:400+(75-39)]x2=

103 - 3x(5+2do potęgi trzeciej) = = 103 - 3 * (5 + 8) = = 103 - 3 * 13 = = 103 - 39 = = 64 (140 + 73) : 3 + 7 = = 213 : 3 + 7 = = 71 + 7 = = 78 16 x 5 + 150 : 30 = = 80 + 5 = = 85 [8000 : 400 + (75 - 39)] x 2 = = [20 + 36] * 2 = = 56 * 2 = = 112

1.  103-3x(5+2do potęgi trzeciej)=    103-3x(5+2x2x2)=103-3x(5+8)=103-3x13=103-39=64   2.  (140+73):3+7=71+7=78   3.  16x5+15:30=80+50=130   4.  [8000:400+(75-39)]x2=[20+(75-39)]x2=(20+36)x2=56x2=112