DAU COROANA URGENT! VA ROOOOOG
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Răspuns:
Explicație pas cu pas:
a. 6/x · 80 = 240
480/x= 240 , x= 480/240=2
b. 5/x·120 = 300
600/x= 300 , x= 600/300 = 2
c. 7/x·40 = 140
280/x= 140 , x= 280/140 =2
d. 8/x·60 = 120
480/x= 120 , x=480/120 = 4