diff --git a/golang/LAB_4/LAB_4.go b/golang/LAB_4/LAB_4.go
new file mode 100644
index 00000000..ed1b8bdb
--- /dev/null
+++ b/golang/LAB_4/LAB_4.go
@@ -0,0 +1,36 @@
+package LAB_4
+
+import (
+	"fmt"
+	"math"
+)
+
+const a = 2.0
+
+func calculateY(x float64) float64 {
+	y := math.Tan(math.Pow(math.Log10(a+x), 3)) / math.Pow(math.Pow((a+x), 2), 1/7)
+	return y
+}
+
+func TaskA(xn, xk, delx float64) []float64 {
+	var ValuesY []float64
+	for x := xn; x <= xk; x += delx {
+		ValuesY = append(ValuesY, calculateY(x))
+	}
+	return ValuesY
+}
+
+func TaskB(xv []float64) []float64 {
+	var ValuesY []float64
+	for _, x := range xv {
+		ValuesY = append(ValuesY, calculateY(x))
+	}
+	return ValuesY
+}
+
+func Lab4() {
+	xn, xk, delx := 1.08, 1.88, 0.16
+	xv := []float64{1.16, 1.35, 1.48, 1.52, 1.96}
+	fmt.Println("Задача А:", TaskA(xn, xk, delx))
+	fmt.Println("Задача B:", TaskB(xv))
+}
diff --git a/golang/LAB_6/LAB_6.go b/golang/LAB_6/LAB_6.go
new file mode 100644
index 00000000..07ab0c32
--- /dev/null
+++ b/golang/LAB_6/LAB_6.go
@@ -0,0 +1,44 @@
+package LAB_6
+
+import (
+	"fmt"
+	"strconv"
+)
+
+const maxRabbitAge = 12
+
+type Rabbit struct {
+	Name  string
+	Age   int
+	Color string
+}
+
+func (rabbit *Rabbit) SetName(name string) {
+	rabbit.Name = name
+}
+
+func (rabbit *Rabbit) SetColor(color string) {
+	rabbit.Color = color
+}
+func (rabbit *Rabbit) SetAge(age int) {
+	if age <= maxRabbitAge {
+		rabbit.Age = age
+	} else {
+		fmt.Println("Ошибка: указанный возраст превышает максимальный возраст кроликов!")
+	}
+}
+
+func (rabbit Rabbit) GetInfo() string {
+	return "Имя кролика: " + rabbit.Name + "\nВозраст кролика: " + strconv.Itoa(rabbit.Age) + "\nЦвет кролика: " + rabbit.Color
+}
+
+func Lab6() {
+	rabbit := Rabbit{Name: "Беляш", Age: 1, Color: "Белый"}
+
+	fmt.Println(rabbit.GetInfo())
+
+	rabbit.SetName("Пушок")
+	rabbit.SetAge(3)
+
+	fmt.Println(rabbit.GetInfo())
+}
diff --git a/golang/LAB_7/LAB_7.go b/golang/LAB_7/LAB_7.go
new file mode 100644
index 00000000..a1401c8b
--- /dev/null
+++ b/golang/LAB_7/LAB_7.go
@@ -0,0 +1,50 @@
+package LAB_7
+
+import "fmt"
+
+type Product interface {
+	GetName() string
+	GetPrice() float64
+	SetPrice(price float64)
+	ApplyDiscount(discount float64)
+}
+
+func Calculate(products []Product) float64 {
+	total := 0.0
+	for _, product := range products {
+		total += product.GetPrice()
+	}
+	return total
+}
+
+func Lab7() {
+	iceCream := &IceCream{
+		Name:   "Ванильное",
+		Brand:  "Веселая коровка",
+		Price:  50.00,
+		Flavor: "Ваниль",
+	}
+	sofa := &Sofa{
+		Name:     "Классический диван",
+		Price:    20000.00,
+		Brand:    "IKEA",
+		Color:    "Коричневый",
+		Material: "Кожа",
+	}
+
+	products := []Product{iceCream, sofa}
+	fmt.Println("Общая стоимость:", Calculate(products))
+	iceCream.ApplyDiscount(10)
+	sofa.ApplyDiscount(15)
+	fmt.Println("Общая стоимость товаров после применения скидок:", Calculate(products))
+
+	fmt.Println("Материал дивана:", sofa.Material)
+	fmt.Println("Цвет дивана:", sofa.Color)
+	fmt.Println("Вкус мороженого:", iceCream.Flavor)
+	sofa.ChangeColor("Черный")
+	sofa.ChangeMaterial("Замша")
+	iceCream.ChangeFlavor("Шоколад")
+	fmt.Println("Цвет дивана изменен на:", sofa.Color)
+	fmt.Println("Материал дивана изменен на:", sofa.Material)
+	fmt.Println("Вкус мороженого изменен на:", iceCream.Flavor)
+}
diff --git a/golang/LAB_7/icecream.go b/golang/LAB_7/icecream.go
new file mode 100644
index 00000000..2fa27f0f
--- /dev/null
+++ b/golang/LAB_7/icecream.go
@@ -0,0 +1,28 @@
+package LAB_7
+
+type IceCream struct {
+	Name   string
+	Brand  string
+	Price  float64
+	Flavor string
+}
+
+func (i *IceCream) GetName() string {
+	return i.Name
+}
+
+func (i *IceCream) GetPrice() float64 {
+	return i.Price
+}
+
+func (i *IceCream) SetPrice(price float64) {
+	i.Price = price
+}
+
+func (i *IceCream) ApplyDiscount(discount float64) {
+	i.Price -= i.Price * discount / 100
+}
+
+func (i *IceCream) ChangeFlavor(newFlavor string) {
+	i.Flavor = newFlavor
+}
diff --git a/golang/LAB_7/sofa.go b/golang/LAB_7/sofa.go
new file mode 100644
index 00000000..3c441bf9
--- /dev/null
+++ b/golang/LAB_7/sofa.go
@@ -0,0 +1,32 @@
+package LAB_7
+
+type Sofa struct {
+	Name     string
+	Price    float64
+	Brand    string
+	Color    string
+	Material string
+}
+
+func (s *Sofa) GetName() string {
+	return s.Name
+}
+
+func (s *Sofa) GetPrice() float64 {
+	return s.Price
+}
+
+func (s *Sofa) SetPrice(price float64) {
+	s.Price = price
+}
+
+func (s *Sofa) ApplyDiscount(discount float64) {
+	s.Price -= s.Price * discount / 100
+}
+
+func (s *Sofa) ChangeColor(newColor string) {
+	s.Color = newColor
+}
+func (s *Sofa) ChangeMaterial(newMaterial string) {
+	s.Material = newMaterial
+}
diff --git a/golang/main.go b/golang/main.go
index d2c4e91e..923c2761 100644
--- a/golang/main.go
+++ b/golang/main.go
@@ -1,7 +1,16 @@
 package main
 
-import "fmt"
+import (
+	"fmt"
+
+	"isuct.ru/informatics2022/LAB_4"
+	"isuct.ru/informatics2022/LAB_6"
+	"isuct.ru/informatics2022/LAB_7"
+)
 
 func main() {
-	fmt.Println("Hello world")
+	fmt.Println("Чернов Максим Александрович")
+	LAB_4.Lab4()
+	LAB_6.Lab6()
+	LAB_7.Lab7()
 }