3/5 x ( 5/2-10/3)-5/8:(1/4-2/3)

2 bình luận về “3/5 x ( 5/2-10/3)-5/8:(1/4-2/3)”

1. 3/5 xx ( 5/2 – 10/3 ) – 5/8 : ( 1/4 – 2/3 )

   = 3/5 xx ( 15/6 – 20/6 ) – 5/8 : ( 3/12 – 8/12 )

   = 3/5 xx ( – 5/6 ) – 5/8 : ( – 5/12 )

   = – 1/2 – ( – 3/2 )

   = – 1/2 + 3/2

   = 2/2

   = 1

   Trả lời
2. $\frac{3}{5}$ x ($\frac{5}{2}$ – $\frac{10}{3}$) – $\frac{5}{8}$ : ($\frac{1}{4}$ – $\frac{2}{3}$)

   = $\frac{3}{5}$ x ($\frac{15}{6}$ -$\frac{20}{6}$) – $\frac{5}{8}$ : ($\frac{3}{12}$ – $\frac{8}{12}$)

   = $\frac{3}{5}$ x (-$\frac{5}{6}$) – $\frac{5}{8}$ : (-$\frac{5}{12}$

   = -$\frac{1}{2}$ – $\frac{5}{8}$ x (-$\frac{12}{5}$) )

   = -$\frac{1}{2}$ – (-$\frac{3}{2}$)

   = -$\frac{1}{2}$ + $\frac{3}{2}$

   = 1

   Trả lời