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\(x = {-b \pm \sqrt{b^2-4ac} \over 2}\)btyrggf56565647uyh77yrty636yt6766y5t66
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\(8765\div90=\dfrac{1753}{18}\)\(=97,4\)
\(1325\times65=86125\)
\(6543\div89=73,52\)
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Bài 1 :
a) = 98765
b) = 300657
c) 610000
Bài 2:
a) X + 77 = 1800
X = 1800 - 77
X = 1723
b) 8950 : x = 5
x = 8950 : 5
x = 1790
c) x = 8765 : 5
x = 1753
a,98765 b,300657 c,610000 Bài 2 : a, 17923 b, 1790 c, 1753
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66381 - 7628 = 58753
8276 + 62 = 8337
2799 - 763 = 2036
730 + 42 = 772
k cho tớ nha
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