1) 15/4 : 3/100 = 15/4 * 100/3 = 125
2) 4 52/100 : (-4 5/27) = 452/100 : (-113/27) = 452/100 * (-27/113)= -1.08
3)125 + (-1.08)= 125 - 1.08 = 123.92
1)0,9*6,3*2,9...............0,1*9*0,5
------------------======---------------=0,2
0,7*2,5*8,1*5,8............2,5*0,9
А)16/32*7=112/224
б)16/32:2=8/16
в)16/32=8/16=4/8=2/4
г)16\32=32/64=64/128=128/256
д)96:32=3 16/32*3=48/96
е)16/32:16=1/2