Question

решение задачи x+x÷4+x÷5=365

Answer 1

(20x+5x+4x)/20  = 365
20x+5x+4x=365*20
29x=7300
x=7300/29
x=251.72

Answer 2

х4 +х5=9х20
1  920х = 365
х = 365         2920 =730029= 251 ц   2129