1)4,8:0,32=4 8/10:32/100=48/10:32/100=48/10*100/32=3/1*10/2=30/2=15
2)0,4872:0,24=4872/10000:24/100=4872/10000*100/24=203/100*1/1=203/100=2 3/100=2,03
3)23,6*0,45=23 6/10*45/100=236/10*45/100=59/2*9/25=531/50=10 31/50=10 62/100=10,62
4)15+2,03=15/100+2 3/100=15/100+203/100=218/100=2 18/100=2,18
5)2,18-10,62=2 18/100-10 62/100=218/100-1062/100=-844/100=-8 44/100=-8,44