Toán Lớp 7: 3,5-(-2/7) ai hộ mình với cảm ơn
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Toán Lớp 7: 3,5-(-2/7) ai hộ mình với cảm ơn
Comments ( 2 )
= 3,5 + $\frac{2}{7}$
= $\frac{35}{10}$ + $\frac{2}{7}$
= $\frac{7}{2}$ + $\frac{2}{7}$
= $\frac{49}{14}$ + $\frac{4}{14}$
= $\frac{53}{14}$