\(x+x:5\cdot7\cdot5+x:2\cdot9=315\)
\(x+7x+4.5x=315\)
\(x\left(1+7+4.5\right)=315\)
\(x\cdot12.5=315\)
\(x=315:12.5\)
\(x=25.2\)
x + x / 5 * 7.5 + x / 2 * 9 = 315
x+x÷5×7.5+x÷2×9=315
Tìm x : X + x : 5 x 7.5 + x : 2 x 9 = 315
x * 100,1=179+x:10
x+x:5*7.5+x:2*9=315
A] x/13=35/91
B] 9+x/13-x
C] x + x chia 5 nhân 7.5+ x chia 2 nhân 9 =315
Các bạn giải cả ba câu nha!!!
3/7 + 4/5 + 4/7
3/2 x 4/5 x 2/3
4/6 + 7/13 + 17/9 + 19/13 + 1/9 + 14/6
315/316 x 316 /314 x 316/315 x 317/313
X + X : 5 x 7,5 + X : 2 x 9 = 315
x + x : 5 x 7,5 + x : 2 x 9 = 315
Tìm x :
X + X : 5 x 7 . 5 + X : 2 x 9 = 315