Ответ:\(0.29\cdot0.2\cdot5=0.29\cdot1=0.29\)\(4.2\cdot1.5-3.2\cdot1.5=(4.2-3.2)\cdot1.5=1.5\)\(4\cdot12.5\cdot2.5=50\cdot2.5=125\)\(4.8\cdot6.2+3.8\cdot4.8=4.8\cdot(6.2+3.8)=4.8\cdot10=48\)Ответ: 0,29; 1,5; 125; 48.