\(\frac{\left(315+372\right).3+\left(372+315\right).7}{26.13+74.14}\)
= \(\frac{\left(372+315\right).\left(3+7\right)}{2.\left(169+518\right)}\)
= \(\frac{678.10}{2.687}\)
= 5
~ Hok tốt ~
\(\frac{\left(315+372\right).3+\left(372+315\right).7}{26.13+74.14}\)
= \(\frac{\left(372+315\right).\left(3+7\right)}{2.\left(169+518\right)}\)
= \(\frac{687.10}{2.687}\)
= 5