$\frac{42}{46}$ + $\frac{250}{286}$ + $\frac{-2121}{2323}$ + $\frac{-125125}{143143}$
$\frac{42}{46}$ + $\frac{250}{286}$ + $\frac{-2121}{2323}$ + $\frac{-125125}{143143}$
By Mackenzie
By Mackenzie
$\frac{42}{46}$ + $\frac{250}{286}$ + $\frac{-2121}{2323}$ + $\frac{-125125}{143143}$
42/46 + 250/286 + -2121/2323 + -125125/134134
= 21/23 + 125/268 + -21/23 + -125/134
= (21/23 + -21/23) + (-125/134+ 125/268)
= 0 + 0 = 0
Đáp án:
Ta có :
`42/46 + 250/286 + (-2121)/(2323) + (-125125)/(143143)`
`= 21/23 + 125/143 – 21/23 – 125/143`
`= 0`
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