А)4,8*2,12=10,176*0,25=2,544 / 10,6*0,96=10,176*2,5=25,44 ==0,1
б)3,2*0,72=2,304*5,05=11,6352 / 3,6*6,4=23,04*4,04=93,0816 ==0,125
в)6,25*0,49=3,0625*0,88=2,695 / 7,7*3,5=26,95*0,125=3,36875 ==0,8
г)18,18*6,8=123,624*4,3=531,5832 / 0,86*,34=0,2924*9,09=2,657916==200