А) 0,07*100*0,23+0,25*16,5=5,735
1) 0,07*100=7; 2) 7*0,23=1,61; 3) 0,25*16,5=4,125; 4) 1,61+4,125=5,735
б) 3,75*2,05+0,05*30,48=9,2115
1) 3,75*2,05=7,6875; 2) 0,05*30.48=1,524; 3) 7,6875+1,524=9,2115
в) 135,2*2,02-46,002*2,9=139,6982
1) 135,2*2,02=273,104; 2) 46,002*2,9=133,4058; 3) 273,104-133,4058=139,6982
г) 71,2*0,201-6,6*2,01=1,0452
1) 71,2*0,201=14,3112; 2) 6,6*2,01=13,266; 3)14,3112-13,266=1,0452