Toán $\frac{1}{2}$ .x+ $\frac{3}{5}$.(x-2)=3 10/09/2021 By Alice $\frac{1}{2}$ .x+ $\frac{3}{5}$.(x-2)=3
Đáp án: ⇒`1/2`.x+`3/5`.x-`6/5`=3 ⇒x.(`1/2`+`3/5`)-`6/5`=3 ⇒x.`11/10`= 3+`6/5` ⇒x.`11/10`= `21/5` ⇒x= `42/11` Trả lời
$\frac{1}{2}$.x+$\frac{3}{5}$.(x-2)=3 1/2.x+3/5.x-6/5=3 x.(1/2+3/5)-6/5=3 x.11/10 = 3+6/5 x.11/10 = 21/5 x = 21/5:11/10 x = 42/11 vậy x=42/11 xin hay nhất ạ Trả lời
Đáp án:
⇒`1/2`.x+`3/5`.x-`6/5`=3
⇒x.(`1/2`+`3/5`)-`6/5`=3
⇒x.`11/10`= 3+`6/5`
⇒x.`11/10`= `21/5`
⇒x= `42/11`
$\frac{1}{2}$.x+$\frac{3}{5}$.(x-2)=3
1/2.x+3/5.x-6/5=3
x.(1/2+3/5)-6/5=3
x.11/10 = 3+6/5
x.11/10 = 21/5
x = 21/5:11/10
x = 42/11
vậy x=42/11
xin hay nhất ạ