Răspuns
7/25 :42/50=7×50/25×42=2/6=1/3
2/5:8/125=2×125/5×8=25/4
5/2:0,1=5/2×10=25
5/12:35/4=5×4/12×35=1/3×7= 1/21
0,(4):1,2(3)=
=44/100÷123/100=
=44×100/100×123=44/123
0,(3)/1,(5)=33/100÷155/100=
=33×100/155×100=33/155
1,2/5,6=12/10÷56/10=12×10/56×10=12/56
625/15:25/27:9/10=
=625×27×10/15×25×9=
=25×2=50