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1 + 1 + 1 + 1 + 1 = 5
10 - 5 = 5
5 x 5 = 25
48 : 6 = 8
Học tốt!
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Trung bình cộng của \(\frac{1}{2};\frac{1}{4};\frac{1}{8}\)là:
\(\left(\frac{1}{2}+\frac{1}{4}+\frac{1}{8}\right)\div3=\frac{1}{4}\)
Trung bình cộng của \(\frac{2}{5};\frac{5}{15};\frac{5}{6}\)là:
\(\left(\frac{2}{5}+\frac{5}{15}+\frac{5}{6}\right)\div3=\frac{47}{10}\)
Đáp số:\(\frac{1}{4}\&\frac{47}{10}\)
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1 + 1 - 2 + 3 - 3 + 5 - 5 + 5 = 5.
Đúng 100% luôn!
Ai tk cho mình mình tk lại.
1 + 1 = 2 - 2 = 0 + 3 = 3 - 3 =0 + 5 = 5 - 5 = 0 + 5 = 5
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5*1=5
5*5=25
5*2=10
5*6=30
5*8=40
tick nha (minh chua dc tick cai nao)
:)
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a, 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10
= ( 1 + 9 ) + ( 2 + 8 ) + ( 3 + 7 ) + ( 4 + 6 ) + 10 + 5
= 10 + 10 + 10 + 10 + 10 + 5
= 20 + 20 + 15
= 40 + 15
= 55
b, 1 + 1
= 1 * 2
= 2
c, 2 + 3 + 5
= 5 + 5
= 10
d, 235 - 5
= 230
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1 +1 =2
4 x 5 =20
5x6x7x8x9x0=0
1+4=5
các bạn nhớ kick cho mình nhé xong mình kick lạ cho
1+1=2
4 x 5 =20
5 x 6 x 7 x 8 x 9 x 0 = 0
1 + 4 = 5
kick bn rùi đó, kick lại mk đi
1/5 = 20 %
1/5 = 2/10
tk mk nha
hihi <3