Question

Calculati in asa fel ca sa fie o prportie:
A)3*12=4*9.
B)6*8=12*40.
C)4*20=16*5
D)0,2*15=0,3*I0
E)51*36=17*108.

Coroana si 20 pct

Answer 1

a) $\frac{3}{4}= \frac{9}{12}$
b) $\frac{6}{40}= \frac{12}{8}$
c) $\frac{4}{16}= \frac{5}{20}$
d) $\frac{0,2}{0,3}= \frac{10}{15}$
e) $\frac{51}{17} = \frac{108}{36}$