Решите уравнения x+1/15 = 11/15-4/15y+1/15 = 11/15+4/15d×5 = 240÷2

Question

Решите уравнения
x+1/15 = 11/15-4/15
y+1/15 = 11/15+4/15
d×5 = 240÷2

Answer 1

X+1/15 = 11/15-4/15
x+1/15 = 7/15
x = 7/15 - 1/15
х = 6/15 =2/5
______________

y+1/15 = 11/15+4/15
y+1/15 = 15/15
y = 15/15 - 1/15
у = 14/15
______________

d×5 = 240÷2
5d = 120
d = 120÷5
d = 24

Comments

вау восхитительно, я все не могла решить спасибо