Question

Calculati:
a) 5/7 : (?) = 10
b) (?) : 1/15 = 3/11
c) (?) : 14 = 5 1pe7
d) 226/125 : (?) = 339/125​

Answer 1

Răspuns:

Explicație pas cu pas:

a) 5/7 : (?) = 10

? = 5/7 : 10 = 5/7*1/10 = 5/70

b) (?) : 1/15 = 3/11

? = 3/11*1/15 = 3/165

c) (?) : 14 = 5 1/7  = 36/7

? = 14*36/7 = 72

d) 226/125 : (?) = 339/125​

? = 226/125 : 339/125 = 226/125*125/339 = 226/339