1/2+1/4+1/8+1/6+1/32
ai nhanh mk tik cho
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1+1=2
2+2=4
3+3=6
4+4=8
5+5=10
6+6=12
7+7=14
8+8=16
9+9=18
10+10=20
\(\frac{1}{2}\div\frac{3}{4}+\frac{1}{6}\div\frac{3}{4}\)
\(=\frac{3}{4}\div\left(\frac{1}{2}+\frac{1}{6}\right)\)
\(=\frac{3}{4}\div\frac{2}{3}\)
\(=\frac{9}{8}\)
\(\frac{1}{2}\div\frac{3}{4}-\frac{1}{6}\div\frac{3}{4}\)
\(=\left(\frac{1}{2}-\frac{1}{6}\right)\div\frac{3}{4}\)
\(=\frac{1}{3}\div\frac{3}{4}\)\
\(=\frac{4}{9}\)
1/2 : 3/4 + 1/6 : 3/4 = 1/2 x 4/3 + 1/6 x 4/3 = 4/3 x (1/2 + 1/6) = 4/3 x 2/3 = 8/9
1/2 : 3/4 - 1/6 : 3/4 = 1/2 x 4/3 - 1/6 x 4/3 = 4/3 x (1/2 - 1/6) = 4/3 x 1/3 = 4/9
1 + 2 + ... + 9 + 10 x 0 + 1 + 2 + 4 + 3
= 45 + 0 +10
= 55
Chúc bạn học tốt !!!
Bài làm
1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 x 0 + 1 + 2 + 4 + 3
= 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 0 + 1 + 2 + 4 + 3
= ( 1 + 9 ) + ( 2 + 8 ) + ( 3 + 7 ) + ( 4 + 6 ) + ( 5 + 1 + 2 + 3 ) + 4 + 0
= 10 + 10 + 10 + 10 + 10 + 4
= 54
# Chúc bạn học tốt #
\(\frac{1}{2}+\frac{1}{4}+\frac{1}{8}+\frac{1}{6}+\frac{1}{32}\)
\(\frac{4+2+1}{8}+\frac{1}{6}+\frac{1}{32}\)
\(\frac{9}{8}+\frac{1}{6}+\frac{1}{32}\)
\(\frac{9}{8}+\frac{1}{32}+\frac{1}{6}\)
\(\frac{36+32}{32}+\frac{1}{6}\)
\(\frac{68}{32}+\frac{1}{6}=\frac{17}{8}+\frac{1}{6}\)
\(\frac{51+4}{24}=\frac{55}{24}\)
1/2+1/4+1/8+1/6+1/32=103/96