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Efectuați inmultirile.

A)
[tex]3\times \frac{2}{7} [/tex]
B)
[tex]4 \times \frac{7}{31} [/tex]
C)
[tex]5 \times \frac{11}{78} [/tex]
D)
[tex]7 \times \frac{13}{99} [/tex]
E)
[tex] \frac{2}{3} \times \frac{4}{7} [/tex]
F)
[tex] \frac{5}{11} \times \frac{4}{3} [/tex]
G)
[tex] \frac{7}{10} \times \frac{3}{8} [/tex]
G)
[tex] \frac{4}{17} \times \frac{11}{5} [/tex]

Dau coroana dar să-mi spuneți cum se da sunt noua......


Răspuns :

Explicație pas cu pas:

a)3×2/7=6/7

b)4×7/31=28/31

c)5×11/78=55/78

d)7×13/19=91/99

e)2/3×4/7=2×4/3×7=8/21

f)5/11×4/3=5×4/11×3=20/33

g)7/10×3/8=7×3/10×8=21/80

h)4/17×11/5=4×11/17×5=44/85

Sper ca te-am ajutat.