Question

scrieti sub forma de raport proncentual urmatoarele rapoarte 9/10;2/5;5/4;49/140;7/8;11/275;0,25;0,7;0,123;12/75​

Answer 1

Răspuns:

9/10=90/100

2/5=4/10=40/100

;5/4=5×25/4×25=75/100

49/140=7/20=7×5/20×5=35/100

7/8=3,5/4=3,5×25/4×25=87,5/100

11/275=4)100. =>p=11×100/275=4

0,25=25/100

0,7=70/100

0,123=12,3/100

12/75=(=>p=12×100/75)=16/100

se folosește relația a/b=p/100 p=a×100/b