diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 00000000..5c7247b4
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,7 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": []
+}
\ No newline at end of file
diff --git a/golang/internal/lab4/lab4.go b/golang/internal/lab4/lab4.go
new file mode 100644
index 00000000..c2c11810
--- /dev/null
+++ b/golang/internal/lab4/lab4.go
@@ -0,0 +1,31 @@
+package lab4
+
+import (
+	"math"
+)
+
+func formula(x float64) float64 {
+	var a float64 = 1.2
+	var b float64 = 0.48
+	return ((math.Pow(b, 3) + math.Pow(math.Sin(a*x), 2)) / (math.Acos((x * b * x)) + math.Exp(-x/2)))
+}
+
+func TaskA(xN, xK, xD float64) ([]float64, []float64) {
+	x := make([]float64, 0, (int((xK-xN)/xD - 1)))
+	y := make([]float64, 0, (int((xK-xN)/xD - 1)))
+	for i := xN; i <= xK; i += xD {
+		y = append(y, formula(i))
+		x = append(x, i)
+	}
+	return x, y
+}
+
+func TaskB(xArray []float64) ([]float64, []float64) {
+	x := make([]float64, 0, len(xArray))
+	y := make([]float64, 0, len(xArray))
+	for i := 0; i < len(xArray); i++ {
+		y = append(y, formula(xArray[i]))
+		x = append(x, xArray[i])
+	}
+	return x, y
+}
diff --git a/golang/lab5/lab5.go b/golang/lab5/lab5.go
new file mode 100644
index 00000000..c74fd88d
--- /dev/null
+++ b/golang/lab5/lab5.go
@@ -0,0 +1,59 @@
+package lab5
+
+import (
+	"fmt"
+	"log"
+)
+
+type Rabbit struct {
+	age    uint
+	weigth float64
+	color  string
+	gender string
+}
+
+func New_Struct(new_age uint, new_w float64, new_color, new_gender string) Rabbit {
+	var new_rabbit = Rabbit{
+		color: new_color,
+	}
+	err := new_rabbit.set_weigth(new_w)
+	if err != nil {
+		log.Fatal(err)
+	}
+	err = new_rabbit.set_age(new_age)
+	if err != nil {
+		log.Fatal(err)
+	}
+	err = new_rabbit.set_gender(new_gender)
+	if err != nil {
+		log.Fatal(err)
+	}
+	return new_rabbit
+}
+func (r *Rabbit) set_age(new_age uint) error {
+	if new_age < 15 {
+		r.age = new_age
+		return nil
+	} else {
+		return fmt.Errorf("некорректно введён возраст кролика")
+	}
+}
+func (r *Rabbit) set_weigth(new_w float64) error {
+	if (new_w >= 0.4) && (new_w <= 2.0) {
+		r.weigth = new_w
+		return nil
+	} else {
+		return fmt.Errorf("некорректно введён вес кролика")
+	}
+}
+func (r *Rabbit) set_gender(new_gender string) error {
+	if new_gender == "муж" || new_gender == "жен" {
+		r.gender = new_gender
+		return nil
+	} else {
+		return fmt.Errorf("некорректно введён гендер кролика")
+	}
+}
+func Output(r *Rabbit) {
+	fmt.Printf("Кролик весит %1.2f килограмм, имеет возраст %d лет, %s пол и %s цвет\n", r.weigth, r.age, r.gender, r.color)
+}
diff --git a/golang/main.go b/golang/main.go
index 030f1b3f..747d5105 100644
--- a/golang/main.go
+++ b/golang/main.go
@@ -1,7 +1,33 @@
 package main
 
-import "fmt"
+import (
+	"fmt"
+	"math"
 
+	"isuct.ru/informatics2022/lab5"
+)
+
+func formula(x float64) float64 {
+	a := 1.2
+	b := 0.48
+	e := 2.71
+	return ((math.Pow(b, 3) + math.Pow(math.Sin(a*x), 2)) / (math.Acos((x * b * x)) + math.Pow(e, (-x/2))))
+}
 func main() {
 	fmt.Println("Корчагин Пётр Сергеевич")
+	fmt.Println("Ответы на задачу A")
+	for i := 0.7; i <= 2.2; i += 0.3 {
+		fmt.Println("x=", i, "y=", formula(i))
+	}
+	fmt.Println("Ответы на задачу B")
+	var listx [5]float64 = [5]float64{0.25, 0.36, 0.56, 0.94, 1.28}
+	for i := 0; i < 5; i++ {
+		fmt.Println("x=", listx[i], "y=", formula(listx[i]))
+	}
+	p := lab5.New_Struct(5, 1.5, "Чёрный", "муж")
+	lab5.Output(&p)
+	p = lab5.New_Struct(7, 2.0, "Белый", "жен")
+	lab5.Output(&p)
+	p = lab5.New_Struct(100, 1.5, "Чёрный", "муж")
+	lab5.Output(&p)
 }