Question

calculati va rogg dau coroana​

Answer 1

Răspuns:

a. 21/11

2 9/10=2×10+9=29/10

1 3/8=1×8+3=11/8

29/10 amplificat cu 4

11/8 amplificat cu 5

=116/40-55/40=61/40

°Succes°

Answer 2

Răspuns:

    ✿ Salut! ✿

✯✯✯ Rezolvare: ✯✯✯

①

    a) $\dfrac{35}{11}-\dfrac{14}{11}=\dfrac{35-14}{11}=\boxed{\boxed{\dfrac{21}{11}}}$

②

    c) $2\dfrac{9}{10}-1\dfrac{3}{8}=\dfrac{2*10+9}{10}-\dfrac{1*8+3}{8}=\dfrac{^{4)}29}{10}-\dfrac{^{5)}11}{8}=\dfrac{116}{40}-\dfrac{55}{40}=\boxed{\boxed{\dfrac{61}{40}}}$