Question

??????? ??? 9 ??????? b \( \qquad \) ? \( 0 . \overline{3}=\frac{2}{3} \) \( \square \) \( 80 . \overline{3}=\frac{3}{2} \) ?? \( 0 . \overline{3}=\frac{5}{4} \) w \( 0 . \overline{3}=\frac{1}{3} \) ?? ???? ? 8????? ???????? ?? ??? ??\( \frac{8}{10} \) 8?\( \frac{7}{2} \) ??\( \frac{3}{100} \) W?\( \frac{7}{9} \) i4?\( -\frac{2451}{10000} \) ?? \( 3+3-3+3 \) 8?3?9?9 ?? \( 5+(-3)+(+10)-(+15) \) ?? \( 5-5-5 \times 5+5 \times 5-5 \) is? \( 10+10[10-(-10)-10 \times 10] \) ??\( \frac{3}{5}+\frac{17}{5} \quad \) 2?\( \frac{5}{2}-\frac{2}{3} \quad \) ??\( \frac{2}{7}+\frac{5}{7}-\frac{7}{7} \) ?11?\( \frac{2}{6}-\frac{1}{5}+\frac{7}{15} \) a?\( \frac{1}{2}-\frac{1}{2} \times \frac{1}{2}-\frac{1}{2}+\frac{1}{2}-\frac{1}{2} \times \frac{1}{2} \) ???? ?? \( \angle x=75^{\circ} \) ? ????? \( \angle a, \angle b, \angle c \quad \) Y

          ???????
???
9
???????
b
\( \qquad \) ? \( 0 . \overline{3}=\frac{2}{3} \)
\( \square \)
\( 80 . \overline{3}=\frac{3}{2} \) ?? \( 0 . \overline{3}=\frac{5}{4} \) w \( 0 . \overline{3}=\frac{1}{3} \)

?? ????
?
8?????
????????
?? ???

??\( \frac{8}{10} \)
8?\( \frac{7}{2} \)
??\( \frac{3}{100} \)
W?\( \frac{7}{9} \)
i4?\( -\frac{2451}{10000} \)

?? \( 3+3-3+3 \)
8?3?9?9
?? \( 5+(-3)+(+10)-(+15) \)
?? \( 5-5-5 \times 5+5 \times 5-5 \)
is? \( 10+10[10-(-10)-10 \times 10] \)
??\( \frac{3}{5}+\frac{17}{5} \quad \) 2?\( \frac{5}{2}-\frac{2}{3} \quad \) ??\( \frac{2}{7}+\frac{5}{7}-\frac{7}{7} \)
?11?\( \frac{2}{6}-\frac{1}{5}+\frac{7}{15} \)
a?\( \frac{1}{2}-\frac{1}{2} \times \frac{1}{2}-\frac{1}{2}+\frac{1}{2}-\frac{1}{2} \times \frac{1}{2} \) ???? ?? \( \angle x=75^{\circ} \) ? ????? \( \angle a, \angle b, \angle c \quad \) Y

???????
???
9
???????
b
? 0 . 3=(2)/(3)
□
80 . 3=(3)/(2) ?? 0 . 3=(5)/(4) w 0 . 3=(1)/(3)

?? ????
?
8?????
????????
?? ???

??(8)/(10)
8?(7)/(2)
??(3)/(100)
W?(7)/(9)
i4?-(2451)/(10000)

?? 3+3-3+3
8?3?9?9
?? 5+(-3)+(+10)-(+15)
?? 5-5-5 × 5+5 × 5-5
is? 10+10[10-(-10)-10 × 10]
??(3)/(5)+(17)/(5) 2?(5)/(2)-(2)/(3) ??(2)/(7)+(5)/(7)-(7)/(7)
?11?(2)/(6)-(1)/(5)+(7)/(15)
a?(1)/(2)-(1)/(2)×(1)/(2)-(1)/(2)+(1)/(2)-(1)/(2)×(1)/(2) ???? ?? ∠ x=75^∘ ? ????? ∠ a, ∠ b, ∠ c Y

Added by Bro V.

Question

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