Toán Lớp 7: a,-5/12 + 4/37 + 7/12 – 41/37
b,1/2 – 43/101 + ( -1/3) – 1/6
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Toán Lớp 7: a,-5/12 + 4/37 + 7/12 – 41/37
b,1/2 – 43/101 + ( -1/3) – 1/6
Comments ( 2 )
$=\dfrac{-5}{6}$
b, $\dfrac{1}{2}-\dfrac{43}{101}+\dfrac{-1}{3}-\dfrac{1}{6}$
$=\dfrac{1}{2}-\dfrac{1}{3}-\dfrac{1}{6}-\dfrac{43}{101}$
$=0-\dfrac{43}{101}$
$=\dfrac{-43}{101}$