17 - {25 - [18 - 16.(x + y): 4 : 2]: 7.2 - 5}: 8.3 = 11
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Răspunsuri la întrebare
Răspuns:
x+y=2
Explicație pas cu pas:
17-{25-[18-16*(x + y):4:2]:7*2-5}:8*3 = 11
{25-[18-16*(x + y):4:2]:7*2-5}:8*3=17-11=6
{25-[18-16*(x + y):4:2]:7*2-5}:8=6/3=2
25-[18-16*(x + y):4:2]:7*2-5=2*8=16
25-[18-16*(x + y):4:2]:7*2=16+5
25-[18-16*(x + y):4:2]:7*2=21
[18-16*(x + y):4:2]:7*2=25-21
[18-16*(x + y):4:2]:7*2=4
[18-16*(x + y):4:2]:7=4/2
[18-16*(x + y):4:2]:7=2
18-16*(x + y):4:2=2*7
18-16*(x + y):4:2=14
16*(x + y):4:2=18-14
16*(x + y):4:2=4
16*(x + y):4=4*2
16*(x + y):4=8
16*(x + y)=4*8
16*(x + y)=32
x+y=32/16
x+y=2
Răspuns:
x + y = 2
Explicație pas cu pas:
Salutare!
17- {25 - [18 - 16•(x + y) : 4 : 2]:7•2 - 5}:8•3 = 11
17 = 11 + {25 - [18 - 16•(x + y):4:2]:7•2 - 5}:8•3
17 - 11 = {25 - [18 - 16•(x + y):4:2]:7•2 - 5}:8•3
6 = {25 - [18 - 16•(x + y):4:2]:7•2 - 5}:8•3 |:3
2 = {25 - [18 - 16•(x + y):4:2]:7•2 - 5}:8 |•8
16 = 25 - [18 - 16 • (x + y) : 4 : 2] : 7 • 2 - 5
16 + 5 = 25 - [18 - 16 • (x + y) : 4 : 2] : 7 • 2
21 + [18 - 16 • (x + y) : 4 : 2] : 7 • 2 = 25
[18 - 16 • (x + y) : 4 : 2] : 7 • 2 = 25 - 21
[18 - 4 • (x + y) : 2] : 7 • 2 = 4 |:2
[18 - 2 • (x + y)] : 7 = 2 |•7
18 - 2 • (x + y) = 14
18 = 14 + 2 • (x + y)
18 - 14 = 2 • (x + y)
4 = 2 • (x + y) |:2
2 = (x + y)
x + y = 2