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Ngô Anh Kiệt
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2024-10-21 18:40:07
A=(3−
4
1
+
2
3
)−(5+
3
1
−
6
5
)−(6−
4
7
+
3
2
)
⇒A=3−
4
1
+
2
3
−5−
3
1
+
6
5
−6+
4
7
−
3
2
⇒A=(3−5−6)−(
4
1
+
4
7
)+(
2
3
+
6
5
−
3
2
)
⇒A=−8−
2
3
+
3
5
=−
6
47
.
B=0,5+
3
1
+0,4+
7
5
+
6
1
−
35
4
+
41
1
\Rightarrow B=\left(0,5+0,4\right)+\left(\dfrac{1}{3}+\dfrac{1}{6}\right)+\left(\dfrac{5}{7}-\dfrac{4}{35}\right)+\dfrac{1}{41}\\ \Rightarrow B=\dfrac{9}{10}+\dfrac{1}{2}+\dfrac{3}{5}+\dfrac{1}{41}\\ \Rightarrow B=2+\dfrac{1}{41}\\ \Rightarrow B=\dfrac{83}{41}.⇒B=(0,5+0,4)+(
3
1
+
6
1
)+(
7
5
−
35
4
)+
41
1
⇒B=
10
9
+
2
1
+
5
3
+
41
1
⇒B=2+
41
1
⇒B=
41
83
.