Tính: a) 29/15 + (-5)/17 + (-12)/17 – 14/15 b) (-3)/4 . 11/14 + 7/2 + (-3)/4 : 14/17 04/10/2021 Bởi Reese Tính: a) 29/15 + (-5)/17 + (-12)/17 – 14/15 b) (-3)/4 . 11/14 + 7/2 + (-3)/4 : 14/17
a,(29/15-14/15)+[(-12/17)+(-5/17)] =1+(-1) =0 b,-3/4.11/14+7/2+-3,4.17/14 =-3/4.(11/14+17/14) =-3/4.2 =-6 Bình luận
a, ($\frac{29}{15}$ – $\frac{14}{15}$ )+[($\frac{-12}{17}$ )+($\frac{-5}{17}$ )] = 1+(-1) = 0 b, $\frac{-3}{4}$ .$\frac{11}{14}$ +$\frac{7}{2}$ + -3,4 .$\frac{17}{14}$ =$\frac{-3}{4}$ .($\frac{11}{14}$ +$\frac{17}{14}$) =$\frac{-3}{4}$ . 2 = -6 Bình luận
a,(29/15-14/15)+[(-12/17)+(-5/17)]
=1+(-1)
=0
b,-3/4.11/14+7/2+-3,4.17/14
=-3/4.(11/14+17/14)
=-3/4.2
=-6
a, ($\frac{29}{15}$ – $\frac{14}{15}$ )+[($\frac{-12}{17}$ )+($\frac{-5}{17}$ )]
= 1+(-1)
= 0
b, $\frac{-3}{4}$ .$\frac{11}{14}$ +$\frac{7}{2}$ + -3,4 .$\frac{17}{14}$
=$\frac{-3}{4}$ .($\frac{11}{14}$ +$\frac{17}{14}$)
=$\frac{-3}{4}$ . 2
= -6