Răspuns :
1,962=1962/1000
0,9=9/10
1,962:0,9=1962/1000:9/10=1962/1000·10/9=1962/100·1/9=1962/900=simplificam cu 2=981/450 simplif.cu 9=109/50=2,18
0,9=9/10
1,962:0,9=1962/1000:9/10=1962/1000·10/9=1962/100·1/9=1962/900=simplificam cu 2=981/450 simplif.cu 9=109/50=2,18