A=19 và 1/4 + 1/2 x 2 và 1/3 +5,75 – 1/6+74 Làm nhanh giúp mình với ạ,cảm ơn nhiều! 12/09/2021 Bởi Arya A=19 và 1/4 + 1/2 x 2 và 1/3 +5,75 – 1/6+74 Làm nhanh giúp mình với ạ,cảm ơn nhiều!
$A = 19\dfrac{1}{4} + \dfrac{1}{2} \times 2\dfrac{1}{3} + 5,75 – \dfrac{1}{6} + 74$ $A = \dfrac{4 \times 19+1}{4} + \dfrac{1}{2} \times \dfrac{3 \times 2+1}{3} + \dfrac{23}{4} – \dfrac{1}{6} + 74$ $A = \dfrac{77}{4} + \dfrac{1}{2} \times \dfrac{7}{3} + \dfrac{23}{4} – \dfrac{1}{6} + 74$ $A = \dfrac{77}{4} + \dfrac{23}{4} + \dfrac{7}{6} – \dfrac{1}{6} + 74$ $A = 25 + 1 + 74$ $A = 100$ Bình luận
Đáp án: $\text{A = 19 $\dfrac{1}{4}$ + $\dfrac{1}{2}$ × 2 $\dfrac{1}{3}$ + 5,75 – $\dfrac{1}{6}$ + 74}$ $\text{A = $\dfrac{77}{4}$ + $\dfrac{1}{2}$ × $\dfrac{7}{3}$ + $\dfrac{23}{4}$ – $\dfrac{1}{6}$ + 74}$ $\text{A = $\dfrac{77}{4}$ + $\dfrac{23}{4}$ + $\dfrac{7}{6}$ – $\dfrac{1}{6}$ + 74}$ $\text{A = ( $\dfrac{77}{4}$ + $\dfrac{23}{4}$ ) + ( $\dfrac{7}{6}$ – $\dfrac{1}{6}$ ) + 74}$ $\text{A = 25 + 1 + 74}$ $\text{A = 100}$ Chúc bạn học tốt ! Bình luận
$A = 19\dfrac{1}{4} + \dfrac{1}{2} \times 2\dfrac{1}{3} + 5,75 – \dfrac{1}{6} + 74$
$A = \dfrac{4 \times 19+1}{4} + \dfrac{1}{2} \times \dfrac{3 \times 2+1}{3} + \dfrac{23}{4} – \dfrac{1}{6} + 74$
$A = \dfrac{77}{4} + \dfrac{1}{2} \times \dfrac{7}{3} + \dfrac{23}{4} – \dfrac{1}{6} + 74$
$A = \dfrac{77}{4} + \dfrac{23}{4} + \dfrac{7}{6} – \dfrac{1}{6} + 74$
$A = 25 + 1 + 74$
$A = 100$
Đáp án:
$\text{A = 19 $\dfrac{1}{4}$ + $\dfrac{1}{2}$ × 2 $\dfrac{1}{3}$ + 5,75 – $\dfrac{1}{6}$ + 74}$
$\text{A = $\dfrac{77}{4}$ + $\dfrac{1}{2}$ × $\dfrac{7}{3}$ + $\dfrac{23}{4}$ – $\dfrac{1}{6}$ + 74}$
$\text{A = $\dfrac{77}{4}$ + $\dfrac{23}{4}$ + $\dfrac{7}{6}$ – $\dfrac{1}{6}$ + 74}$
$\text{A = ( $\dfrac{77}{4}$ + $\dfrac{23}{4}$ ) + ( $\dfrac{7}{6}$ – $\dfrac{1}{6}$ ) + 74}$
$\text{A = 25 + 1 + 74}$
$\text{A = 100}$
Chúc bạn học tốt !