Tính nhanh nếu có thể : -5/21 + 8/24 + (-2)/21 10/11/2021 Bởi Adalynn Tính nhanh nếu có thể : -5/21 + 8/24 + (-2)/21
$\frac{-5}{21}$ + $\frac{8}{24}$ + $\frac{-2}{21}$ = [($\frac{-5}{21}$) + ($\frac{-2}{21}$)] + $\frac{8}{24}$ = $\frac{-7}{21}$ + $\frac{8}{24}$ = $\frac{-1}{3}$ + $\frac{1}{3}$ = 0 CHÚC BẠN HỌC TỐT Bình luận
Đáp án: $\dfrac{-5}{21}$ $+$ $\dfrac{8}{24}$ $+$ $\dfrac{-2}{21}$ $=$ $\dfrac{-5}{21}$ $+$ $\dfrac{-2}{21}$ $+$ $\dfrac{8}{24}$ $=$ $\dfrac{-7}{21}$ $+$ $\dfrac{8}{24}$ $=$ $\dfrac{-1}{3}$ $+$ $\dfrac{1}{3}$ $= 0$ BẠN THAM KHẢO NHA!!! Bình luận
$\frac{-5}{21}$ + $\frac{8}{24}$ + $\frac{-2}{21}$
= [($\frac{-5}{21}$) + ($\frac{-2}{21}$)] + $\frac{8}{24}$
= $\frac{-7}{21}$ + $\frac{8}{24}$
= $\frac{-1}{3}$ + $\frac{1}{3}$
= 0
CHÚC BẠN HỌC TỐT
Đáp án:
$\dfrac{-5}{21}$ $+$ $\dfrac{8}{24}$ $+$ $\dfrac{-2}{21}$
$=$ $\dfrac{-5}{21}$ $+$ $\dfrac{-2}{21}$ $+$ $\dfrac{8}{24}$
$=$ $\dfrac{-7}{21}$ $+$ $\dfrac{8}{24}$
$=$ $\dfrac{-1}{3}$ $+$ $\dfrac{1}{3}$
$= 0$
BẠN THAM KHẢO NHA!!!